Masterlock 1 9/16 inch Wide Solid Brass Body Padlock with 2 inch Shackle - The 1/4in (6mm) diameter shackle is 2in (51mm) long and made of hardened steel, offering extra resistance to cutting and sawing. 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. 2in (51mm) Shackle clearance for more uses1-9/16in (40mm) Wide solid brass body padlockHardened steel shackle for extra cut resistance4-pin cylinder helps prevent picking