Circuit Breaker Locking Cable Kit Circuit Breaker Lockout Type Clamp-On For Circuit Breaker Type Single Pole For Maximum Padlock Shackle Diameter 5/16 in For Voltage 120/277V AC Maximum Number of Padlocks 7 Overall Height 0.75 in Overall Length 0.75 in Overall Width 2.38 in Features Ez Paneloc Lock Rail System Allows Panel Door to be Closed when Lockouts are in Place Fits Multiple Locks Eliminating the Need for Group Hasps Turn Thumbscrew to Clamp Lockout Device Securely onto Switch