The Master Lock No. 6121KA ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive Pro Series^® Weather Tough^® cover protects lock from water, ice, dirt and grime
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KA ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The blue, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Blue, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KA ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The green, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Green, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALF ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive Pro Series^® Weather Tough^® cover protects lock from water, ice, dirt and grime
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALF ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The blue, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Blue, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALF ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The green, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Green, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALF ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The orange, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Orange, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALF ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The red, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Red, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALF ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The white, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
White, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALF ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The green, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Yellow, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALJ ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive Pro Series^® Weather Tough^® cover protects lock from water, ice, dirt and grime
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALJ ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The blue, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Blue, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALJ ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The green, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Green, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALJ ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The orange, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Orange, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALJ ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The red, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Red, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALJ ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The white, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
White, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KALJ ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The yellow, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Yellow, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KA ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The orange, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Orange, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KA ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The red, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Red, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KA ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The white, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
White, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121KA ProSeries® Weather Tough® Covered Laminated Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The yellow, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W6000 cylinder
Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Yellow, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The blue, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
Blue, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications|2-1/8in (54mm) heavy steel body withstands physical attack
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The green, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
Green, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick.

Ideal for harsh outdoor conditions - exclusive Pro Series^® Weather Tough^® cover protects lock from water, ice, dirt and grime
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The blue, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Blue, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The green, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Green, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The orange, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Orange, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The red, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Red, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The white, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
White, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The yellow, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Yellow, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick.

Ideal for harsh outdoor conditions - exclusive Pro Series^® Weather Tough^® cover protects lock from water, ice, dirt and grime
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The blue, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Blue, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The green, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Green, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The orange, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Orange, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The red, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Red, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The white, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
White, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The yellow, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Yellow, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The orange, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
Orange, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The red, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
Red, high visibility cover for distinction between departments,employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The white, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
White, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The yellow, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
Yellow, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The blue, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
Blue, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications|2-1/8in (54mm) heavy steel body withstands physical attack
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The green, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
Green, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick.

Ideal for harsh outdoor conditions - exclusive Pro Series^® Weather Tough^® cover protects lock from water, ice, dirt and grime
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The blue, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Blue, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The green, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Green, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The orange, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Orange, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The red, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Red, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The white, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
White, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LF ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/2in (38mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The yellow, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Yellow, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/2in (39mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick.

Ideal for harsh outdoor conditions - exclusive Pro Series^® Weather Tough^® cover protects lock from water, ice, dirt and grime
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The blue, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Blue, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The green, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Green, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The orange, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Orange, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The red, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Red, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The white, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
White, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121LJ ProSeries® Weather Tough® Covered Laminated Padlock multiple locks open with the same key – features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The yellow, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive ProSeries^® Weather Tough^® cover protects lock from water, ice, dirt and grime
Yellow, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
2-1/2in (64mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for maximum cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The orange, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
Orange, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The red, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
Red, high visibility cover for distinction between departments,employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The white, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
White, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

The Master Lock No. 6121 ProSeries® Weather Tough® Covered Laminated Padlock features a 2-1/8in (54mm) wide heavy steel body to withstand physical attack and a 1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance. The exclusive cover protects this padlock from harsh elements & a high security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick. The yellow, high visibility color cover provides the ability to distinguish between departments, employees, access, etc.

Ideal for harsh outdoor conditions - exclusive Weather Tough^® cover protects lock from water, ice, dirt and grime
Yellow, high visibility cover for distinction between departments, employees, access, etc.
ProSeries^® Padlocks are designed for Commercial/Industrial applications
2-1/8in (54mm) heavy steel body withstands physical attack
1-1/8in (29mm) tall, 5/16in (8mm) diameter hardened boron alloy shackle for superior cut resistance
Dual ball locking mechanism resists pulling and prying
High security, rekeyable 5-pin cylinder with spool pins is virtually impossible to pick

Need Additional Keys?

Model No. K6000 Duplicate Cut Key

Master Lock 6121 ProSeries® Weather Tough® Laminated Steel Rekeyable Padlock 2-1/8in (54mm) Wide