The Master Lock no. 506 Grip Tight Main Breaker Lockout Kit includes one 491B and one 493 grip tight™ circuit breaker lockout. The innovative and patented grip tight design effectively locks out circuit breakers with a simple operation and the durable construction with powder coated steel and reinforced polymer stands up to harsh environments. Devices in this loto kit are compact and accept all American Lock® and Master Lock® safety padlock shackles and most lockout hasps.
Includes one 491B and one 493 grip tight™ circuit breaker lockout device
Grip tight™ circuit breaker lockout fits virtually all circuit breakers in a lockout tagout situation
Grip tight™ circuit breakers work with simple thumb turn and clamping handle
Innovative patented 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 the toggle
Great strength with universal fit
491B fits wide or tall breaker toggles typically found on hi-voltage/hi-amperage breakers
493B fits standard height and tie-bar toggles typically found on 120 and 240 volt breakers