Products

The Master Lock No. 4120KA Economy Padlock, Keyed Alike – multiple locks open with the same key – features a 3/4in (19mm) wide brass body...

The Master Lock No. 4140KA Economy Padlock, Keyed Alike – multiple locks open with the same key – features a 1-1/2in (38mm) wide brass bo...

The Master Lock No. 4150KA Economy Padlock, Keyed Alike – multiple locks open with the same key – features a 1-7/8in (48mm) wide brass bo...

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 lockout by ...

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 lockout...

The Master Lock No. 4400EC Bluetooth® Padlock features a 1-29/32in (47mm) wide metal body for durability. The 9/32in (7mm) diameter shackle offers...

The Master Lock No. 4401LHEC Bluetooth® Padlock features a 2-7/32in (56mm) wide metal body for durability. The 11/32in (9mm) diameter shackle offer...

Pack of 4 The Master Lock No. 4680DBLK Set Your Own Combination TSA-Accepted Luggage Lock features a 1-3/16in (30mm...

Pack of 4 The Master Lock No. 4680DNKL Set Your Own Combination TSA-Accepted Luggage Lock features a 1-3/16in (30mm...

The Master Lock No. 4683Q TSA-Accepted Luggage Locks feature a 7/8in (22mm) wide solid metal body for durability. The 3/32in (2mm) diameter shackl...

The Master Lock No. 4684T Set Your Own Combination TSA-Accepted Luggage Locks feature a 1-3/8in (35mm) wide bright color body for simple baggage id...

The Master Lock No. 4689Q TSA-Accepted Luggage Locks feature a 1in (25mm) wide metal body for durability. The shrouded design minimizes shackle ex...

The Master Lock No. 479 is an accessory for a universal ball valve lockout system.

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 10in...

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 (3...

The Master Lock No. 490 used for locking out a fuse. The color red indicates "Lockout."

The Master Lock 492 used for locking out a circuit breaker. The color red indicates "Lockout."

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 Red Group Lock Box features a durable powder-coated red finish with an easy-to-grip, ergonomic hand...

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...