Breaker Lockouts, 120 277 V, 3 4 in W x 5 8 in L no checkout high clamping pressure and long levered handles high clamping pressure and long levered handles for easy jaw opening Clamps have fully insulated pivots and springs The cable jacket is held securely inside the conductor body with a cable bar for improved holding ability and longer cable life Amber band pass for enhanced clarity of weld puddle Built in magnification lens Four independent sensors positioned to reduce possibility of blockage during weld Large Circuit breaker lockouts work on a wide range of breakers that include single and multi pole breaker configurations Snap on and clamp on breaker lockout options accommodate almost any situation