Circuit Breaker Lockout Rail Circuit Breaker Lockout Type Clamp-On For Circuit Breaker Type Multipole For Maximum Padlock Shackle Diameter 9/32 in For Voltage 120/277V AC Maximum Number of Padlocks 1 Overall Height 1.3 in Overall Length 2.13 in Overall Width 2.45 in Features No Lock Needed ID Tags can be Pre-Loaded onto Taglock Devices For Circuit Breaker Manufacturer TagLock For Use With Circuit Breaker with Standard Nylon Cable Ties Includes (1) TagLock Lockout