Universal miniature circuit breaker lockout; Best used for circuit breaker lockout applications as part of a comprehensive OSHA compliant lockout tagout safety program Locks out virtually all miniature ISO/DIN circuit breakers throughout the world Fits on breaker toggles and can be tightened using a screwdriver (small screwdriver not included) 5 in. (127 mm) Long miniature circuit breaker lockout with 11/16 in. (17 mm) height and 3-1/4 in. (83 mm) width; Accepts padlock shackles with maximum diameter of 9/32 in. (7 mm) (padlocks sold separately) Includes one miniature, universal circuit breaker lockout tagout device