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Safety Devices

  • Master Lock 420 Steel Lockout Hasp, Jaw Clearance 1in (25mm) Wide-Other Security Device-Master Lock-420-MasterLocks.com

    Master Lock 420 Steel Lockout Hasp, Jaw Clearance 1in (25mm) Wide

    Master Lock
    Original price $15.12
    Current price $12.60

    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...

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  • Master Lock 498A Latch Tight™ Portable Group Lock Box-Other Security Device-Master Lock-498A-MasterLocks.com

    Master Lock 498A Latch Tight™ Portable Group Lock Box

    Master Lock
    from $173.16

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

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  • Master Lock 493 Grip Tight™ Circuit Breaker Lockout, Standard Single and Double Toggles-Other Security Device-Master Lock-493B-MasterLocks.com

    Master Lock 493 Grip Tight™ Circuit Breaker Lockout, Standard Single and Double Toggles

    Master Lock
    Original price $24.14
    Current price $20.12

    The Master Lock No. 493B Grip Tight™ Circuit Breaker Lockout Device fits standard height and tie-bar toggles typically found on 120 and 240 ...

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  • Master Lock S866 Retractable Cable Lockout Device with Nylon Core Cable-Other Security Device-Master Lock-S866-MasterLocks.com

    Master Lock S866 Retractable Cable Lockout Device with Nylon Core Cable

    Master Lock
    Original price $47.92
    Current price $39.95

    The Master Lock No. S866 Retractable Cable Lockout Device, ideal for electrical lockouts, features a tough, flexible nylon core cable with a yell...

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  • Master Lock S806 3ft - 24ft Long Adjustable Cable Lockout-Master Lock-3ft-S806CBL3-MasterLocks.com

    Master Lock S806 3ft - 24ft Long Adjustable Cable Lockout

    Master Lock
    from $66.48

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

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  • Master Lock 497A Do Not Operate Safety Tag, English, Laminated-Other Security Device-Master Lock-497A-MasterLocks.com

    Master Lock 497A Do Not Operate Safety Tag, English, Laminated

    Master Lock
    Original price $50.98
    Current price $42.48

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

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  • Master Lock 421 Steel Lockout Hasp, Jaw Clearance 1-1/2in (38mm) Wide-Other Security Device-Master Lock-421-MasterLocks.com

    Master Lock 421 Steel Lockout Hasp, Jaw Clearance 1-1/2in (38mm) Wide

    Master Lock
    Original price $17.66
    Current price $14.72

    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...

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  • Master Lock S3501 Permit Display Case-Other Security Device-Master Lock-S3501-MasterLocks.com

    Master Lock S3501 Permit Display Case

    Master Lock
    Original price $120.54
    Current price $54.24

    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...

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  • Master Lock S3822 Grip Tight™ Plus Circuit Breaker Lockout Device – Molded Case Circuit Breakers (480/600 V)-Other Security Device-Master Lock-S3822-MasterLocks.com

    Master Lock S3822 Grip Tight™ Plus Circuit Breaker Lockout Device – Molded Case Circuit Breakers (480/600 V)

    Master Lock
    Original price $30.86
    Current price $25.72

    The Master Lock S3822 Grip Tight™ Plus Circuit Breaker Lockout Device fits Molded Case Circuit Breakers (480/600 V). Its lightweight, one-piece des...

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  • Master Lock S3821 Grip Tight™ Plus Circuit Breaker Lockout Device – Miniature Circuit Breakers (120/240 V)-Other Security Device-Master Lock-S3821-MasterLocks.com

    Master Lock S3821 Grip Tight™ Plus Circuit Breaker Lockout Device – Miniature Circuit Breakers (120/240 V)

    Master Lock
    Original price $27.79
    Current price $23.16

    The Master Lock S3821 Grip Tight™ Plus Circuit Breaker Lockout Device fits Miniature Circuit Breakers (120/240 V). Its lightweight, one-piece desig...

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  • Master Lock 497AX Do Not Operate Safety Tag, Spanish/English, Laminated-Other Security Device-Master Lock-497AX-MasterLocks.com

    Master Lock 497AX Do Not Operate Safety Tag, Spanish/English, Laminated

    Master Lock
    Original price $50.98
    Current price $42.48

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

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  • Master Lock 1457E410 Personal Safety Lockout Pouch, Electrical Focus with Zenex™ Thermoplastic Padlocks-Keyed-Master Lock-1457E410KA-MasterLocks.com

    Master Lock 1457E410 Personal Safety Lockout Pouch, Electrical Focus with Zenex™ Thermoplastic Padlocks

    Master Lock
    Original price $466.22
    Current price $388.52

    The Master Lock No. 1457E410KA Personal Lockout Kit, Electrical, features an upgraded safety lockout toolbox to keep important lockout devic...

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  • Master Lock S3823 Grip Tight™ Plus Circuit Breaker Lockout Device – Oversized Handle Circuit Breakers (480/600 V)-Other Security Device-Master Lock-S3823-MasterLocks.com

    Master Lock S3823 Grip Tight™ Plus Circuit Breaker Lockout Device – Oversized Handle Circuit Breakers (480/600 V)

    Master Lock
    Original price $42.53
    Current price $35.44

    The Master Lock S3823 Grip Tight™ Plus Circuit Breaker Lockout Device fits Oversized Handle Circuit Breakers (480/600 V). Its lightweight, one-piec...

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  • Master Lock 506 Grip Tight™ Circuit Breaker Lockout Set-Other Security Device-Master Lock-506-MasterLocks.com

    Master Lock 506 Grip Tight™ Circuit Breaker Lockout Set

    Master Lock
    Original price $54.14
    Current price $45.12

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

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  • Master Lock S856 Retractable Cable Lockout Device with Steel Core Cable

    Master Lock
    Original price $113.76
    Current price $94.80

    The Master Lock No. S856 Retractable Cable Lockout Device, ideal for valve and other general lockouts, features a tough, flexible steel core cabl...

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  • Master Lock S601 Portable Group Lockout Box with Key & Side Window

    Master Lock
    from $212.40

    The Master Lock No. S601 Group Lockout Box is made of stainless steel to withstand the toughest environments. The rugged construction of...

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  • Master Lock S600 Portable Group Lockout Box with Key Window-Master Lock-S600-MasterLocks.com

    Master Lock S600 Portable Group Lockout Box with Key Window

    Master Lock
    Original price $254.88
    Current price $212.40

    The Master Lock No. S600 Group Lockout Box is made of stainless steel to withstand the toughest environments. The rugged construction of...

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  • Master Lock 491 Grip Tight™ Circuit Breaker Lockout, Tall and Wide Toggles-Other Security Device-Master Lock-491B-MasterLocks.com

    Master Lock 491 Grip Tight™ Circuit Breaker Lockout, Tall and Wide Toggles

    Master Lock
    Original price $31.44
    Current price $26.20

    The Master Lock No. 491B Grip Tight™ Circuit Breaker Lockout Device fits wide or tall breaker toggles typically found on hi-voltage/hi-amper...

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  • Master Lock S602 Large Group Lockout Box with Key Window & Rewritable Tag

    Master Lock
    from $270.32

    The Master Lock No. S602 Group Lockout Box is made of stainless steel to withstand the toughest environments. The rugged construction offers ...

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  • Master Lock S1850E410 Lockout Station, Electrical Focus, Zenex™ Thermoplastic Padlocks-Keyed-Master Lock-S1850E410-MasterLocks.com

    Master Lock S1850E410 Lockout Station, Electrical Focus, Zenex™ Thermoplastic Padlocks

    Master Lock
    Original price $1,055.09
    Current price $879.24

    The Master Lock No. S1850E410 Lockout Station, Electrical, is a large capacity station with a durable construction to ensure long life in ma...

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  • Master Lock S3500 Permit Control Station

    Master Lock
    from $453.92

    The Master Lock S3500 Permit Control Station includes the S3501 Permit Display Case and the S3502 Wall Mount Group Lock Box. Permit display c...

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  • Master Lock 480 Rotating Gate Valve Lockout, 1in-3in (25mm-76mm) Diameter Handles-Other Security Device-Master Lock-480-MasterLocks.com

    Master Lock 480 Rotating Gate Valve Lockout, 1in-3in (25mm-76mm) Diameter Handles

    Master Lock
    Original price $40.27
    Current price $33.56

    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 ...

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  • Master Lock 481 Rotating Gate Valve Lockout, 2in-5in (51mm-12.7cm) Diameter Handles-Other Security Device-Master Lock-481-MasterLocks.com

    Master Lock 481 Rotating Gate Valve Lockout, 2in-5in (51mm-12.7cm) Diameter Handles

    Master Lock
    Original price $61.30
    Current price $51.08

    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...

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  • Master Lock 468L Seal Tight™ Handle-Off Ball Valve Lockout-Other Security Device-Master Lock-468L-MasterLocks.com

    Master Lock 468L Seal Tight™ Handle-Off Ball Valve Lockout

    Master Lock
    Original price $86.69
    Current price $72.24

    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...

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