Master Lock Safety Series Circuit Breaker Switch Padlocks Flexible steel cable shackle allows padlock to properly lock all types of circuit breaker lockout devices. Perfect for the tight space constraints within circuit breaker shutoff boxes. Flexi-Cable also allows the lock body to be moved out of the way, and panel door to be closed properly. Numerous Key Changes Are Available To Minimize The Possibility Of Unwanted Key Duplication. Pack of 1