The Master Lock No. 570DLH Solid Body Padlock features a 1-1/2in (38mm) wide solid aluminum body that is lightweight, durable and resists rust and corrosion. The 9/32in (7mm) diameter shackle is 2in (51mm) 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. Dual ball bearing locking for maximum protection from prying and hammering.5-pin cylinder for maximum pick resistance.Hardened steel shackle for extra cut resistance.