Master Lock 1KA 2043 Padlock (6-Pack) This Pack contains (6 pcs.) of Padlock and (12 pcs.) of keys 1-3/4" (44mm) wide laminated steel pin tumbler padlock for superior strength Hardened steel shackle for extra cut resistance, proprietary rustproofing for longer life. 4-pin cylinder helps prevent picking. The dual locking levers provide extra pry resistance Thousands of key changes maximize key integrity and proprietary rustproofing for longer life.