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This Master Lock® Grip Tight™ Circuit Breaker Lockout device helps prevent accidental engagement of electrical circuits during maintenance. It works on switches with or without holes and uses cleats, with clamp-on lockout, to assure positive restraint for breakers with long sliding switch throws.
Features: These Nylon bodied safety padlocks with a nylon shackle are a cost effective solution to meet your lockout requirements Standard safety/owner labelling on both sides included Non-conductive reinforced shackle Key number engraved on the padlock as standard - control your key numbers like never before High security dimple key cylinder to give up to 100,000 differs Key works both ways for enhanced convenience The key design makes it impossible to be duplicated Key retaining when open for increased safety
The Master Lock No. 491B Grip Tight™ Circuit Breaker Lockout Device fits wide or tall breaker toggles typically found on hi-voltage/hi-amperage breakers. The innovative patented Grip Tight™ design effectively locks out circuit breakers with a simple thumb turn and then close clamping handle for a tight grip on the toggle.