For indoor and outdoor use; disc lock is best used as a storage lock and for garages, sheds, and trailers 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. wide lock body; 3/8 in. diameter shackle with 5/8 in. length, 3/4 in. width One padlock, two keys, Weight: 0.6 Pounds, Manufacturer: Master Lock