Single Pole Breaker Lockout, Clamp-On, Circuit Breaker Voltage 120/277, For Use With Breakers 9/16 W x 3/8 L, Max. Number of Padlocks 1, Padlock Shackle Max. Dia. 9/32 in, Red, Height 1 3/8 in, Width 7/8 in, Length 2 in, Material Polypropylene and Nylon, Circuit Breaker Poles 1