Master Lock Resettable Number 1-in Shackle x 2-in Width Zinc Combination Padlock Indoor/outdoor combination lock best used for lockers and sheds Resettable four-dial combination lock (reset tool included) Hardened steel shackle for strength and security 2 in (51mm) wide lock body; 5/16 in (8 mm) diameter shackle with 1 in (25 mm) length, 1 in (25 mm) width Indoor and outdoor padlock is best used as a shed lock, gate lock, and storage locker lock, providing better protection and security from theft.