1、Applicable Circuit Breaker: The diameter of the lock hole is about 10mm, the size of the clamp is about 20mm, ideal for circuit breaker with ≤20mm thick handle. 2、Applicable Places: The circuit breaker lock is suitable for industry, automobile, chemical industry, electric power and many other situations to better meet your needs. 3、High Quality Material: Made of enhanced PA materials, not easy to deform or fade, resistant to high temperature, can adapt to a variety of environmental changes. 4、Convenient to Operate: The structure design is reasonable, and the locking operation can be easily completed without a screwdriver (not included), which is quick and easy. 5、Exquisite Workmanship: The circuit breaker tagout features an excellent shape, smooth surface touch without burrs, safe and not prick your hand during using.