1Strong Design: Made of reinforced nylon PA, the miniature circuit breaker lock to be wear resistant, well insulated and heat resistant, it stays strong and doesn't deform easily. 2Easy Installation: Experience the simplicity of installation with our circuit breaker lock device. Unique button latch design allows for manual installation by simply pressing the button, no additional tools required. 3Wide Applications: Suitable for various single and multi pole circuit breakers. No need for any modifications to panels or breakers, our lockout device offers wide compatibility. 4Power Isolation: Designed to prevent electrical accidents during equipment maintenance, our circuit breaker lockout device is proven effective for industrial electrical isolation areas. 5Recommended Pairing: To ensure power isolation and prevent misuse, we recommend using the circuit breaker lock with insulated padlocks and safety signs to enhance the effectiveness of locking electrical air circuit breakers. 1 xPinOutCircuitBreakerLockout