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...

The Master Lock No. S3081 Adjustable Ball Valve Lockout features durable, lightweight Zenex™ Thermoplastic material to withstand chemicals a...

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

With a Zenex™ Thermoplastic padlock, hasp, and tags, this kit has the essentials for lockout and it all fits neatly inside the zippered pouch. Pouc...

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. 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. 483 Rotating Gate Valve Lockout Device features a 2-3/4in (70mm) depth and 3-1/2in (89mm) stem opening for 6in (152mm) to 10i...

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 13in (...

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

The Master Lock No. S3080 Adjustable Ball Valve Lockout features durable, lightweight Zenex™ Thermoplastic material to withstand chemicals and ex...

Equipped with safety hasps, tags, and a premier collection of electrical lockout devices, this lockout station holds everything needed for electric...

Equipped with safety hasps, tags, plastic padlocks, and a premier assortment of electrical lockout devices, this lockout station holds everything n...

The Master Lock No. S1850E1106 Lockout Station, Electrical, is a large capacity station with a durable construction to ensure long life in m...

Equipped with safety hasps, tags, plastic padlocks and a premier assortment of devices, this Deluxe Lockout Station focuses on valve and electrical...

The Master Lock No. S1900VE410 Deluxe Safety Lockout Station, Valve and Electrical, is a deluxe capacity station with a durable construction...

The Master Lock No. S1900 Deluxe Safety Lockout Station, unfilled, features durable construction to ensure long life in manufacturing facili...

Equipped with safety hasps, tags, and a premier assortment of devices, this Deluxe Lockout Station focuses on valve and electrical lockout. The uni...

With hasps, tags, and assortment of devices, this kit has the basic essentials for electrical lockout and it all fits neatly inside the zippered po...

With plastic padlocks, hasps, tags, and premier assortment of devices, this kit includes everything needed for electrical lockout and it all fits n...

With plastic padlocks, hasps, tags, and assortment of devices, this kit has the basic essentials for electrical lockout and it all fits neatly insi...

With plastic padlocks, hasps, tags, and assortment of devices, this kit provides the standard equipment needed for electrical lockout and it all fi...

With plastic padlocks, hasps, tags, and a premier assortment of electrical and valve devices, this portable kit has everything needed for lockout s...

The Master Lock No. 1458VE410 Personal Lockout Kit, Valve & Electrical, features high-use valve and electrical lockout devices and six N...