The abus e201 single pole circuit breaker lockout can be used universally on common single pole circuit breakers and comes with an adaptor for blade type electric fuses it is made from high quality materials that are long lasting robust and non conductive there is an easy to use screwing mechanism for secure fixation and it holds 1 padlock locking points 1shackle diameter 7mm max width of circuit breaker 16mm length 70mm width 26mm depth 32mm