Master Lock 2 In. Zinc Die-Cast Copper Color Tamper Resistant Combination Lock

2 In. wide resettable 4-digit combination lock, zinc die-cast case for strength and durability. Case-hardened steel shackle is 5/16 In. thick. Combination changer fully protected from tampering while lock is closed. Positive-action change key. 1 In. vertical shackle clearance.