LOTOTO L487 Safety Loto Rotating Electrical Plug Lockout Device accepts cords with up to 3/4in (19mm) diameter and an electrical plug up to 2-1/4in (57mm) diameter x 3-1/4in (82mm). Device surrounds the electrical plug and protect against accidental reconnection. The tough, lightweight rugged ABS body withstands chemicals and performs effectively in extreme conditions. Includes high-visibility permanent safety labels. For 110 volt plugs and many 220 volt plugs.Product Features* LOTOTO L487 Safety Loto Rotating Electrical Plug Lockout Device* Prevent plugs from being inserted into the wall outlet, suitable for all kinds of industrial Plugs* The plug completely sits inside the unit with the cable being fed through an access hole inside* Can be locked with 2-4 padlock, lock shackle diameter up to 7mm* Surrounds the electrical plug and protects against accidental reconnection* Complete with high visibility permanent safety labels (English)* Tough, lightweight, rugged ABS bodies withstand chemicals* Performs effectively in extreme conditions* For electrical plug sizes up to 2-1/4in (57mm) in diameter x 3-1/4in (82mm) with cord diameter up to 3/4in (19mm) (Most 110 and many 220-volt plugs)