Safety Devices

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. 498A Latch Tight™ Portable Group Lock Box features a durable powder-coated finish with an easy-to-grip, ergonomic handle....

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. S806 Adjustable Cable Lockout Device, ideal for group & multi-point lockouts, features a tough, flexible multi-st...

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 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, impac...

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

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

The Master Lock No. 1457E410KA Personal Lockout Kit, Electrical, features an upgraded safety lockout toolbox to keep important lockout devic...

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. 506 Grip Tight™ Circuit Breaker Lockout combo pack includes one 491B and one 493 Grip Tight™ circuit breaker lockout. Th...

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. S601 Group Lockout Box is made of stainless steel to withstand the toughest environments. The rugged construction of...

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. 491B Grip Tight™ Circuit Breaker Lockout Device fits wide or tall breaker toggles typically found on hi-voltage/hi-amper...

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. S1850E410 Lockout Station, Electrical, is a large capacity station with a durable construction to ensure long life in ma...

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. 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. 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. 468L Seal Tight™ Handle-Off Ball Valve Lockout Device features a universal fit to effectively lock out all valves from 3...