The Master Lock Grip Tight Plus Circuit Breaker Lockout Device fits Molded Case Circuit Breakers (480/600 V). Its lightweight, one-piece design easily and consistently installs without use of tools. The stainless steel thumbscrew and curved blade provide a tight grip on the circuit breaker handle so device remains secure. The fixed cleat provides added physical blocking to prevent switch movement into "on" position. Compatible with a wide variety of circuit breaker handle shapes and sizes.

Fits Molded Case Circuit Breakers (480/600 V)
Compatible with a wide variety of circuit breaker handle shapes and sizes
Permanently fixed cleat adds physical blocking capability
Easy tightening offered by large, knurled thumbscrew with slot for optional screwdriver adjustment
Requires no tools for installation
Lightweight, one-piece design