The Master Lock No. 575DPF Solid Body Padlock features a 1-1/2in (38mm) wide solid brass lock body that is strong, durable and resists corrosion. The 9/32in (7mm) diameter shackle is 15/16in (24mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The 5-pin cylinder prevents picking and the dual locking ball bearings provide maximum protection against prying and hammering. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.