Lockout Safety Supply electrical panel handle lockout prohibits the movement of handles or levers on electrical panels. A yellow nylon base and a flexible stainless steel strip (1'' x 11 4/5'') with 20 holes makes it impossible for the handles to move from their position once locked with a lockout padlock. This lockout is recommended for all handles and levers that do not have a built-in lockout arrangement. Accommodates 1 padlock, with shackles up to ¼''.