Miniature Circuit Breaker Lockout Circuit Breaker Lockout Type Clamp-On For Circuit Breaker Type Mini For Maximum Padlock Shackle Diameter 9/32 in For Voltage 120/277V AC Maximum Number of Padlocks 2 Overall Height 2.16 in Overall Length 0.94 in Overall Width 1.23 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