The Master Lock No. 575EURD Solid Body Padlock features a 38mm wide solid brass lock body that is strong, durable and resists corrosion. The 7mm diameter shackle is 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 padlock comes with 4 keys for convenience. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.