Reece's UCL5 is designed to provide comprehensive safety in various circuit breaker lockout applications. This device is suitable for most types of large Circuit Breakers with a toggle switch. It effectively locks out 1 pole through 4 pole circuit breakers, offering thorough safety coverage. Crafted from durable plastic, this lockout device guarantees longevity and reliability, even in challenging environments. With a clamping capacity between 1/2" and 3/4"", it accommodates different larger breaker sizes. The screw operation adds to the convenience, making lockout procedures easy and efficient.