Products

The Master Lock No. 416 Aluminum Safety Lockout Hasp features a 1in (25mm) inside jaw diameter and can hold up to six padlocks. Ideal for lo...

The Master Lock No. 417 Aluminum Safety Lockout Hasp features a 1-1/2in (38mm) inside jaw diameter and can hold up to six padlocks. Ideal fo...

The Master Lock No. 418 Heavy Duty, Pry-proof Steel Safety Lockout Hasp features a 1in (25mm) inside jaw diameter and can hold up to four pa...

The Master Lock No. 419 Heavy Duty, Pry-proof Steel Safety Lockout Hasp features a 1in (25mm) inside jaw diameter and can hold up to eight p...

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. 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 No. 427 Labeled Red Safety Lockout Hasp features a 1-3/4in x 2-1/8in (45mm x 54mm) diameter inside jaw clearance and is desi...

The Master Lock No. 428 Plastic Lockout Safety Hasp features spark proof, nylon material with a 2-1/2in (64mm) inside jaw diameter and can a...

The Master Lock No. 429 Aluminum Lockout Hasp features a dual jaw, spark resistant aluminum body with a 1in (25mm) and 1-1/2in (38mm) diame...

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

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

The Master Lock No. 443 Laminated Steel padlock – multiple locks open with the same key – features a 1-9/16in (40mm) wide laminated steel bo...

The Master Lock No. 443KA Laminated Steel padlock, Keyed Alike – multiple locks open with the same key – features a 1-9/16in (40mm) wide lam...

The Master Lock No. 453L Large Nylon Oversized Plug & Control Cover features a 7in (178mm) diameter x 17in (432mm) tall flexible and dur...

The Master Lock No. 453XL Extra Large Nylon Oversized Plug & Control Cover features a 10in (25cm) diameter x 26in (66cm) tall flexible a...

The Master Lock No. 461 Lock Labels are designed for Master Lock Nos. 3, 6835, S6835 and American Lock Nos. A1100 and S1100 series padlocks....

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. 4681TBLK TSA-Accepted Luggage Locks feature a 1-1/4in (32mm) wide solid metal body for durability. The 3/32in (2mm) diam...

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 ...

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...

Pack of 4 The Master Lock No. 4688D Set Your Own Combination TSA-Accepted Luggage Lock features a 1-3/16in (30mm) wide met...

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

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

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. 479 is an accessory for a universal ball valve lockout system.

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. 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) t...

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 1...

The Master Lock No. 485 Rotating Gate Valve Lockout Device combo pack includes a set of five lockouts - 480, 481, 482, 483, 484. These gate ...

The Master Lock No. 488 Rotating Electrical Plug Lockout Device accepts cords with up to 3/4in (19mm) diameter and an electrical plug up to ...

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

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

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. 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 hea...

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

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. 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 maximum streng...

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

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

Pack of 4 The Master Lock No. 500D Laminated Padlock features a 1-3/4in (44mm) wide laminated steel body for strength and ...

The Master Lock No. 503YLW Latch Tight™ Group Lockout Box, yellow, accepts 14 padlocks or lockout hasps and can be mounted to the wall or ca...