Blocking Bar Lockout Kit Circuit Breaker Lockout Type Cross Bar For Circuit Breaker Type Oversized For Maximum Padlock Shackle Diameter 1/4 in For Voltage 480/600V AC Maximum Number of Padlocks 7 Overall Height 0.81 in Overall Length 7.5 in Features Green Bar Indicates Locked On No Drilling Required Red Blocking Bar Indicates Locked Off Self-Adhesive Backed Rails that are Permanently Installed onto an Electrical Panel For Circuit Breaker Manufacturer Breaker Blocker