Master Lock Body Width, 7/8 inch Keyed Alike, Yes Locking Mechanism, Double Locking Lock Material, Steel Product Type, Padlock Body Length. The 4 pin cylinder prevents picking and the dual locking ball bearings provide resistance against prying and hammering. It is non-rekeyable and hardened steel shackle for extra cut resistance. The limited lifetime warranty provides peace of mind from a brand you can trust.