Item Type: Circuit Breaker Lock Model: BD D11 Material: PA66 Package List 5 x Circuit Breaker Locks 1Applicable Size: Can be used to lock circuit breaker with a handle width not exceeding 18mm, can use lock with a lock beam diameter not exceeding 7mm. 2Tight Combination: The bite design of the blade teeth reduces the force on the irregular screw, but it is more tightly combined and not easy to loosen. 3Split Upper Cover: The locking cover is fixed in a split style, ensuring smoother opening and closing, convenient locking, and not easy to break. 4Detachable Cleat: The clamp on type circuit breaker lock is equipped with a detachable cleat, expanding the range of applicable circuit breakers. 5Easy Operation: Fix the lock onto the switch handle using a special screw, and then fasten the cover onto the special screw to prevent it from loosening. 6PA66 Material: The lock body adopts PA66, corrosion resistance, wear resistance, with good insulation and temperature difference resistance (50177).