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