The Master lock No. 2KALF laminated brass padlock, keyed alike multiple locks open with the same key features a 1-3/4 in. (44mm) wide laminated brass body offering excellent corrosion resistance, making this lock ideal for marine and other harsh environments. The 1-1/2 in. (38mm) tall, 5/16 in. (8mm) diameter hardened steel shackle provides excellent cut resistance. Dual locking levers provide extra pry resistance and the 4-pin W1 cylinder helps prevent picking. Keyed alike padlocks available to order to match other locks with the W1 cylinder.