Panduit PSL-CB Universal Circuit Breaker Lockout Device, Red Quickly locks circuit breakers in the off position using a screwdriver Compact, universal design fits a wide range of single, double and triple handle circuit breakers Accommodates breaker handles 0.30 inhc-0.60-Inch tall and 0.25-Inch-0.44-Inch thick Easily secured to circuit breaker without modifications or holes in the breaker handle Constructed of polycarbonate and stainless steel for industrial and harsh applications