Master Lock Model No. 3DLF 1-9/16in (40mm) Wide Laminated Steel Pin Tumbler Padlock with 1-1/2 (38mm) Shackle -The 4-pin cylinder prevents picking and the dual locking levers provide resistance against prying and hammering. The Limited Lifetime Warranty provides peace of mind from a brand you can trust. 1-1/2in (38mm) Shackle clearance for more uses1-9/16in (40mm) Wide laminated steel body for superior strengthHardened steel shackle for extra cut resistanceDual locking levers provide extra pry resistance4-pin cylinder helps prevent picking