Master Lock

Grip Tight™ Reinforced Polymer and Steel Lockout

Part #M491B  |  Manufacturer Part #491B


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Product Details

  • Fits wide/tall and standard breaker toggles typically found on hi-voltage/hi-amperage breakers
  • Grip Tight™ design effectively locks out circuit breakers
  • Adjust to breaker with simple thumb turn and then close clamping handle for a tight grip on toggle
  • Great strength with universal fit
  • Compact lockout device is easy to carry and easy to store
  • Accepts all American Lock and Master lock safety padlock shackles and lockout hasp diameters
  • Durable construction with powder coated steel and reinforced polymer for operating ratio in harsh environments
  • OSHA 1910.147


Collection: Grip Tight™

Color Finish: Red

Color Finish Category: Reds

Height: 1-1/4 in

Length: 3-7/16 in

Material: Plastic, Steel

Material Type: Reinforced Polymer

Shackle Diameter: 9/32

Volts: 120/277V

Width: 1-1/4 in