Master Lock Padlock, Set Your Own Combination Lock, 2 in. Wide, 176 PADLOCK APPLICATION: For indoor and outdoor use; Lock is best used for rental properties, small businesses to allow manager access EASE OF USE: Resettable 4 dial combination for keyless convenience, set your combination with up to 10,000 personalized combination codes and reset to restrict/change allowed access; key override (not included) feature allows for supervisory access DURABLE DESIGN: Security padlock has a solid brass body for strength and weatherability, and a hardened steel shackle for superior cut resistance SPECIFICATIONS: 2 in. wide lock body; 5/16 in. diameter shackle with 1 in. length, 1 in. width