1、CIRCUIT BREAKER LOCK: This lock kit is suitable for a variety of small and medium molded case circuit breakers, as well as any miniature circuit breaker. 2、REINFORCED NYLON: The breaker lock is made of reinforced nylon, with good insulation, isolates the power supply, ensures safe and reliable operation. 3、PIN FIXING TYPE: The lock is pin out type, after the pin is fixed to the handle of the circuit breaker, it can be locked without tools, efficient and convenient. 4、CONVENIENT TO USE: There is no need to modify the panel or the circuit breaker itself, the lock and padlock will not affect the use of the mini circuit breaker. 5、INCLUDED PARTS: Including circuit breaker lock, nylon padlock and 2 keys, this lock kit is small and compact for ease of use, and has good practicability.