1、Two sizes of clamp‑type circuit breaker locks: the width of the medium player is ≤42mm, and the width of the small player is ≤18mm. 2、Can be used with the locking splint at the bottom for hard locking of long sliding switches and large‑angle rotating switches. 3、Two security padlocks with lock beams of 38mm length, the lock beams are made of steel and durable, and one padlock is equipped with two keys. 4、Can write two warning board, lock can leave a warning board, and write safety warning or operator number information, can be wiped repeatedly. 5、Two sizes of 25mm in diameter and 38mm in diameter. The six‑hole safety tower buckle is suitable for multiple people to manage the same valve, and it can be used with a safety padlock. 6、The lock bag is a portable pocket. Hung around the waist, it is convenient to carry various locks and can be used for a long time.