For indoor and outdoor use; disc padlock with key is best used as a storage lock and for garages, sheds, and trailers.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit. Key lock features stainless steel construction and hardened steel shackle for increased strength and security 4-pin cylinder and dual locking lever mechanism provides pick and pry resistance, shrouded design minimizes shackle exposure and protects against bolt cutter attacks 2-3/4 in. (70 mm) wide lock body; 3/8 in. (10 mm) diameter shackle with 5/8 in. (16 mm) length, 3/4 in. (19 mm) width Includes one padlock, two keys