"Safe and effective method for locking out miniature circuit breakers. Push button installation - does not require any tool for installation. Accepts padlocks with a shackle diameter up to 9mm. Can be applied on single & multiple breakers MCB’s only. Manufactured from stainless steel wire and special grade PVC partsType = Conventional Miniature Circuit Breaker LockoutMaterial = PVC\/Stainless SteelNumber of Locks = 1"