10000 combinations: The ZHEGE 4-digit padlock numbers is resettable with 10,000 unique combinations that are 10 times harder to crack than a 3-digit lock. It is more reliable and safer. Easy to use: setting and resetting your own combination is simple and straightforward. Instructions are always included. The numbers are easy to read and the dials are easy to rotate so they can be locked and unlocked in seconds. Sturdy Construction: Made of high-strength zinc alloy and hardened steel, the number padlock is sturdy and compact, provides extra resistance to cutting and sawing. In addition, the premium material is waterproof and rust-proof, which makes it very good for outdoor use. Wide application: the resettable 4 digit combination lock small is perfect for indoor and outdoor use. You can use it for a gym locker, school locker, hostel, a cabinet, a tool box, you can also use it as an outdoor hanging lock for basements, doors, gates, fences, garage, etc.