Master Lock® Electrical Plug Lockout, Large Rotating, 1 Padlocks Maximum, 9/16 in Padlock Shackle Maximum Diameter, Red, For Use With: 220 V and 550 V Electrical Cord Plugs, Thermoplastic, 3/4 in L x 3 in W x 6 in H Dimensions. Master Lock® 488 Large Rotating Electrical Plug Lockout, 9/16 in Max dia Padlock Shackle, 1 Padlocks, Thermoplastic, Red