The Master Lock #7KA laminated steel padlock. Keyed alike, multiple locks open with the same key. It features a 1-1/8 in wide reinforced laminated steel lock body providing extra strength and a 9/16 in H, 3/16 in Dia steel shackle. Dual locking levers provide extra pry resistance making it ideal for industrial applications and the non-rekeyable, 4-pin W7 cylinder helps prevent picking. Keyed alike padlocks available to order to match other locks with the W7 cylinder.