The Master Lock No. 140DLH Solid Body Keyed Padlock features a 1-9/16in (40mm) wide solid brass lock body that is strong durable and resists corrosion. 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.