Single Pole Breaker Lockout, Circuit Breaker Lockout Type Clamp-On, For Circuit Breaker Type Single Pole, For Maximum Padlock Shackle Diameter 9/32 in, For Voltage 480/600V AC, Maximum Number of Padlocks 1, Overall Height 1.59 in, Overall Length 2.19 in, Overall Width 3.25 in, For Maximum Switch Width 1.5 in, For Use With Internal-Trip Multi-Pole Breakers, Single-Pole Breakers, Includes Cleat, Lockout Color Red, Lockout Material Polypropylene, Maximum Temperature 176 Degrees F