4-Digit Combination Padlock--- 10,000 combination combinations, 10 times harder to break than 3-digit combination padlocks, providing increased security. Hardened steel shackle is 1000mm thick. 0.8 mm and fits all the standard size zippers and keyholes on the market. SOLID CONSTRUCTION--- The combination padlock is made of high strength zinc alloy and hardened steel clasp with fine workmanship. Heavy duty combination padlocks are durable, rust resistant, cut resistant and to saws. This padlock is strong enough not to be easily damaged by human force. Easy to Set Up --- Easy to set and reset your personal password, the four digital wheels are super smooth and easy to turn even with gloves on. On a daily basis, locking and unlocking takes only a few seconds. You can use them anywhere without having to carry a key. Wide Application --- This portable size (70*52*24mm) waterproof combination padlock is perfect for indoor and outdoor use. Perfect for gym lockers, school and staff lockers, closets, gates, garages, sheds, fences, trunks and drawers and more. 4 digits, anti-theft security --- 1 piece combination lock and user manual. The initial combination for an external combination padlock is 0-0-0-0. It is recommended to take notes or take a photo after setting a new password to remember your password.