Our combination lock is resettable with 10000 unique combinations, which is 10 times harder to crack than a 3-digit lock. Setting and resetting your own combination is simple and straight forward. Instructions are always included. Numbers are easy to read and dials are easy to turn, making lock and unlock in seconds. Made of high strength zinc alloy and hardened steel, the dial combination lock is sturdy and compact, offering extra resistance to cuting and sawing. Moreover, the premium material is waterproof and weatherproof, making it very good outdoor combination padlock.