Circuit Breaker Lockout Circuit Breaker Lockout Type Pin-In For Circuit Breaker Type Mini For Maximum Padlock Shackle Diameter 9/32 in For Voltage 120/277V AC Maximum Number of Padlocks 1 Overall Height 1.64 in Overall Length 0.56 in Overall Width 0.95 in Features Installed Using the Push Button Requires No Tools for Installation For Use With Multi-Pole Breakers Push Button Single-Pole Breakers Lockout Color Red Lockout Material Fiberglass Reinforced Nylon