Sturdy Construction---The locker code padlock is made of high strength zinc alloy and hardened steel shackle, craftsmanship. Heavy duty combination padlock is durable, rustproof, cut and saw resistant. This padlock is strong enough and it is difficult to be damaged by human force. 4 Digit Code Padlock--- 10,000 combinations and makes it 10 times harder to break compared to padlocks a 3-digit code, l offers greater security. The hardened steel shackle is 0.8mm thick and fits all standard size zippers and keyholes on the market. Easy to Set--- Easy to set and reset your personal password, the four digital wheels are super smooth, making it easy to turn, even with gloves on. It only takes seconds to lock and unlock in daily use. You can use them anywhere and without having to carry a key. Wide Application--- This portable size (82*52*25mm) waterproof 4-digit code padlock is perfect for indoor and outdoor use. Ideal for gym lockers, school and employee lockers, cabinets, gates, garages, sheds, fences, suitcases and drawers, etc. 4 Digits, Anti-Theft Security--- 1 piece combination locks, 1 screwdriver and user manual. The initial password for the exterior code padlock is 0-0-0-0. It is recommended to take notes or photos to remember your password after setting a new code.