Products

The Master Lock No. 494 used to lockout a 480 or 600 volt circuit breaker.

Master Lock No. 495 used as a multi-pole lockout device.

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

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

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

Pack of 4 The Master Lock No. 4D Laminated Padlock features a 1-9/16in (40mm) wide laminated brass body for maximu...

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

The Master Lock No. 5 Powder Coated Laminated Steel Padlocks are designed for robust security in industrial settings. Laminated Steel padlo...

The Master Lock No. 5 Powder Coated Laminated Steel Padlocks feature a 2in (51mm) reinforced laminated steel lock body providing extra s...

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

Pack of 4 The Master Lock No. 5400D Portable Lock Box features a 3-1/4in (83mm) wide metal body for durability. Th...

Pack of 2 The Master Lock No. 5406 Portable Lock Box features a 2-3/4in (70mm) wide metal body for durability. The...

Pack of 4 The Master Lock No. 5424D Portable Light-Up Dial Lock Box features a 2-7/8in (72mm) wide metal body for ...

The Master Lock No. 5440EC Bluetooth® Portable Lock Box features a 3-1/4" (83mm) wide metal body for durability and a fully removable shackle for...

The Master Lock No. 5441EC Bluetooth® Wall-Mount Lock Box features a 3-1/4" (83mm) wide metal body for durability. The Master Lock Vault Enterpris...

The Master Lock No. 5LF Powder Coated Laminated Steel Padlocks are designed for robust security in industrial settings. Laminated Steel pad...

The Master Lock No. 5LF Powder Coated Laminated Steel Padlocks feature a 2in (51mm) reinforced laminated steel lock body providing extra...

The Master Lock No. 5LJ Powder Coated Laminated Steel Padlocks are designed for robust security in industrial settings. Laminated Steel pad...

The Master Lock No. 5LJ Powder Coated Laminated Steel Padlocks feature a 2in (51mm) reinforced laminated steel lock body providing extra...

The Master Lock No. 6 Laminated Brass Padlock features a 2in (51mm) wide laminated brass body offering excellent corrosion resistance, making this...

The Master Lock No. 6230KA ProSeries® Solid Body Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/2in (64mm) round w...

The Master Lock No. 6230KA ProSeries® Solid Body Padlock, Keyed Alike – multiple locks open with the same key – features a 2-1/2in (64mm) round w...

The Master Lock No. 6271 ProSeries® Hidden Shackle Padlock, Keyed Alike – multiple locks open with the same key – features a 2-7/8in (73mm) wide re...

The Master Lock No. 6321KA ProSeries® Shrouded Padlock, keyed alike – multiple locks open with the same key – features a 2-1/8in (54mm) heavy stee...