Master Lock

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

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

The Master Lock No. 468L Seal Tight™ Handle-Off Ball Valve Lockout Device features a universal fit to effectively lock out all valves from 3...

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

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

The Master Lock No. 498A Latch Tight™ Portable Group Lock Box features a durable powder-coated finish with an easy-to-grip, ergonomic handle....

The Master Lock No. 497A Heavy Duty English/Spanish Safety Tags feature durable polyester laminate to resist water, grease and extreme tempe...

The Master Lock No. 497A Heavy Duty Safety Tags feature durable polyester laminate to resist water, grease and extreme temperatures. The hea...

The Master Lock No. 7050KA ProSeries® Solid Body Padlock, keyed alike – multiple locks open with the same key – features a 2in (51mm) wide h...

The Master Lock No. 7045KA ProSeries® Shrouded Padlock, keyed alike – multiple locks open with the same key – features a 1-3/4in (44mm) heavy har...

The Master Lock No. 7040KA ProSeries® Solid Body Padlock, keyed alike – multiple locks open with the same key – features a 1-3/4in (44mm) heavy h...

The Master Lock No. 6850KA ProSeries® Solid Body Padlock, keyed alike – multiple locks open with the same key – features a 2in (51mm) wide b...

The Master Lock No. 6840KA ProSeries® Solid Body Padlock, keyed alike – multiple locks open with the same key – features a 1-3/4in (44mm) wi...

The Master Lock No. 6830KA ProSeries® Solid Body Padlock, keyed alike - multiple locks open with the same key – features a 1-9/16in (40mm) ...

The Master Lock No. 6230KA ProSeries® Solid Body Padlock, Keyed Alike – multiple locks open with the same key – features a 1-1/8in (29mm) tall, 7...

Designed to elevate the experience for facilities and users, the Master Lock 3685 Electronic Built-In Locker Lock combines a modern design w...

Designed for high customer turnover facilities, the Multi-User Built-In Combination lock adds convenience to your facility by giving visitor...

Designed for high customer turnover facilities, the Multi-User Built-In Combination lock adds convenience to your facility by giving visitor...

The Master Lock No. 770 Hasp features a 9in (23cm) wide by 4-1/2in (11cm) high solid steel hasp to withstand forcible attacks and defeat att...

The Master Lock No. 506 Grip Tight™ Circuit Breaker Lockout combo pack includes one 491B and one 493 Grip Tight™ circuit breaker lockout. Th...

The Master Lock No. 493B Grip Tight™ Circuit Breaker Lockout Device fits standard height and tie-bar toggles typically found on 120 and 240 ...

The Master Lock No. 491B Grip Tight™ Circuit Breaker Lockout Device fits wide or tall breaker toggles typically found on hi-voltage/hi-amper...

The Master Lock No. 485 Rotating Gate Valve Lockout Device combo pack includes a set of five lockouts - 480, 481, 482, 483, 484. These gate ...

The Master Lock No. 484 Rotating Gate Valve Lockout Device features a 3-3/8in (86mm) depth and 4in (101mm) stem opening for 8in (203mm) to 1...

The Master Lock No. 483 Rotating Gate Valve Lockout Device features a 2-3/4in (70mm) depth and 3-1/2in (89mm) stem opening for 6in (152mm) t...

The Master Lock No. 482 Rotating Gate Valve Lockout Device features a 1-7/8in (48mm) depth and 2-1/2in (64mm) stem opening for 4in (102mm) t...

The Master Lock No. 481 Rotating Gate Valve Lockout Device features a 1-1/2in (38mm) depth and 1-1/2in (38mm) stem opening for 2in (51mm) to...

The Master Lock No. 480 Rotating Gate Valve Lockout Device features a 1-1/16in (30mm) depth and 3/4in (19mm) stem opening for 1in (25mm) to ...

The Master Lock No. 421 Steel Safety Lockout Hasp features a 1-1/2in (38mm) inside jaw diameter and can hold up to six padlocks. Ideal for l...

The Master Lock No. 420 Steel Safety Lockout Hasp features a 1in (25mm) inside jaw diameter and can hold up to six padlocks. Ideal for lockou...

The Master Lock No. 411 Zenex™ Thermoplastic Safety Padlock features a 1-1/2in (38mm) wide, 3in (75mm) tall thermoplastic black body and a 1-1/2i...

The Master Lock No. 406 Dielectric Thermoplastic Safety Padlock features a 1-1/2in (38mm) wide Zenex™ Thermoplastic body and a 1-1/2in (38mm) tal...