Miniature Circuit Breaker Lockout, Pin-In, Standard, Circuit Breaker Voltage 120/277, For Use With Breakers With Toggle Openings 7/16 in to 1/2 in, Max. Number of Padlocks 1, Padlock Shackle Max. Dia. 9/32 in, Red, Height 45/64 in, Width 2 2/5 in, Length 4 1/2 in, Material Steel/Plastic