The PSL-CB is a red universal circuit breaker Lockout Device, made of nylon (polyamide). Individual circuit breakers can be locked in the off position quickly and easily. Compact, universal design fits a wide range of single, double and triple handle circuit breakers. Easily attached with no modifications to panel or circuit breaker and does not require hole in circuit breaker handle. Constructed of rugged nylon providing strength, durability, added security and corrosion resistance.