Circuit Breaker Lockout Circuit Breaker Lockout Type Clamp-On For Circuit Breaker Type Oversized For Maximum Padlock Shackle Diameter 9/32 in For Voltage 480/600V AC Maximum Number of Padlocks 1 Overall Height 1.91 in Overall Length 3.41 in Overall Width 4.05 in Features Knurled Thumbscrew with Slot for Optional Screwdriver Adjustment Fold-Down Cleat Provides Enhanced Switch Throw Blocking One-Piece Design Requires No Tools for Installation