Products

The Master Lock No. S33 Global Zenex™ Thermoplastic Snap Lock Safety Padlock features a 1-3/8in (35mm) wide thermoplastic body and a 3in (76mm) tal...

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 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, impact...

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

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. S3910 Pressurized Gas Valve Lockout Device fits virtually all valves up to 3in (76mm) diameter and works on valves with or wit...

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

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

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

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

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

The Master Lock No. S806 Adjustable Cable Lockout Device, ideal for group & multi-point lockouts, features a tough, flexible multi-stranded 3f...