Plug Lockout, Red, Padlock Shackle Max. Dia. 1/2 In., Max. Number of Padlocks 1, Fits 110V Electrical Plugs, Overall Dimensions 3-1/2 In.L x 2 In.W x 2 In.H, Material Polypropylene, Legend Danger Locked Out Do Not Remove, Standards OSHA 1910.147