Master Lock

The Master Lock No. 1653MD features the new button-less combination change process technology, along with a new, stylish octagonal dial. With the...

Offering convenient automatic locking, the Master Lock No. 1654MD Built-In Combination Lock series is designed for horizontal latch box lockers a...

The Master Lock No. 1573 Letter Lock™ combination padlock use letters instead of numbers for easier combination recall with an easy-to-re...

The Master Lock No. 406KAREDCOV Dielectric Thermoplastic Safety Padlock, keyed alike - multiple locks open with the same key - features a...

The Master Lock No. 4LH Laminated Brass Padlock, features a 1-9/16in (40mm) wide laminated brass body offering excellent corrosion resistance, ma...

The Master Lock S3821 Grip Tight™ Plus Circuit Breaker Lockout Device fits Miniature Circuit Breakers (120/240 V). Its lightweight, one-piece desig...

The Master Lock S3822 Grip Tight™ Plus Circuit Breaker Lockout Device fits Molded Case Circuit Breakers (480/600 V). Its lightweight, one-piece des...

The Master Lock S3823 Grip Tight™ Plus Circuit Breaker Lockout Device fits Oversized Handle Circuit Breakers (480/600 V). Its lightweight, one-piec...

The Master Lock No. SLC0226DKA4 brushed chrome storeroom lever features a bump resistant six pin cylinder and cylindrical construction for e...

The Master Lock No. S3924 Blind Flange Lockout device is a physical, best practice solution for pipeline maintenance. The adjustable cup all...

The Master Lock No. S30COVERS Extreme Environment Padlock Covers are designed for Master Lock Nos. S30, S31 and S32 Zenex™ Thermoplastic saf...

The Master Lock No. SLCHCR26D brushed chrome classroom lever features a bump resistant six pin cylinder and cylindrical construction for enh...

The Master Lock No. S2153 Installed Push Button and Rotary Switch Cover prohibits access to a switch or control. The cover fits both 30.5mm ...

The Master Lock No. S2390 Miniature Circuit Breaker Lockout Device locks out most miniature ISO/DIN pin-out circuit breakers throughout the ...

The Master Lock No. SLC0326D brushed chrome privacy lever features cylindrical construction for enhanced durability with a 2-3/4in fixed bac...

The Master Lock No. S2391 Miniature Circuit Breaker Lockout Device locks out most miniature ISO/DIN pin-out circuit breakers throughout the ...

The Master Lock No. S2393 Universal Miniature Circuit Breaker Lockout Device locks out most miniature ISO/DIN pin-out circuit breakers throu...

The Master Lock No. S3923 Blind Flange Lockout device is a physical, best practice solution for pipeline maintenance. The adjustable cup all...

The Master Lock No. S3900 Pneumatic Lockout Device features stainless steel construction for corrosion resistance and fits virtually all mal...

The Master Lock No. SLC0426D brushed chrome passage lever features cylindrical construction for enhanced durability with a 2-3/4in fixed bac...

The Master Lock No. S2392 Miniature Circuit Breaker Lockout Device locks out most miniature ISO/DIN pin-out circuit breakers throughout the ...

The Master Lock No. S602 Group Lockout Box is made of stainless steel to withstand the toughest environments. The rugged construction offers ...

The Master Lock No. S601 Group Lockout Box is made of stainless steel to withstand the toughest environments. The rugged construction of...

The Master Lock No. S866 Retractable Cable Lockout Device, ideal for electrical lockouts, features a tough, flexible nylon core cable with a yell...

The Master Lock No. S3921 Butterfly Valve Lockout Device and S806CBL3 Adjustable locking cable locks out virtually any butterfly valve in ju...

The Master Lock S3650 Group Lock Box with Wall Mounting Bracket helps facilities manage the placement and movement of group lock boxes to pro...

The Master Lock No. S3920 Butterfly Valve Lockout Device locks out virtually any butterfly valve in just seconds with use of S806 adjustable...

The Master Lock S3502 Wall Mount Group Lock Box contains a 12-lock hand caddy and removable key cup. Includes 12 exterior lock holes for per...

The Master Lock S3501 Permit Display Case holds letter-size documents and other paperwork up to 11-3/4in x 16-1/2in (297 x 420mm). A clear, ...

The Master Lock No. S856 Retractable Cable Lockout Device, ideal for valve and other general lockouts, features a tough, flexible steel core cabl...

The Master Lock No. S3068 Seal Tight™ Handle-On Ball Valve Lockout features durable aluminum & steel construction to defy corrosive envi...

The Master Lock S3500 Permit Control Station includes the S3501 Permit Display Case and the S3502 Wall Mount Group Lock Box. Permit display c...

Designed to protect your important documents, digital media and other valuables from fire, water, and theft, the SentrySafe SFW123DSB is ideal fo...

The Master Lock No. S3922 Blind Flange Lockout device is a physical, best practice solution for pipeline maintenance. The adjustable cup all...

The Master Lock No. S600 Group Lockout Box is made of stainless steel to withstand the toughest environments. The rugged construction of...

The Master Lock No. S3910 Pressurized Gas Valve Lockout Device fits virtually all valves up to 3in (76mm) diameter and works on valves with ...