Indoor and outdoor lock; best used for residential gates & fences, sheds, workshops & garages, storage lockers, tool boxes and more.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit. Padlock with key is constructed with laminated steel body and a hardened steel shackle for strength and security Dual ball bearing locking for maximum pry resistance; four-pin cylinder for pick resistance 1-9/16 in. (40 mm) wide lock body; 9/32 in. (7 mm) diameter shackle with 3/4 in. (19 mm) length, 5/8 in. (16 mm) width Includes two padlocks, two keys; Each key opens both locks