【4 Digit Combination Padlock】--- 10,000 combinations and makes it 10 times harder to break compared to 3-digit combination locks, provides greater security. The hardened steel shackle is 0.9mm thick and fits all standard size zippers and keyholes on the market. 【Sturdy Construction】--- The combination lock is made of high-strength zinc alloy and hardened steel shackle, fine craftsmanship. Heavy duty combination padlock is durable, rust-proof, resistant to cutting and sawing. This padlock is strong enough and it is difficult to be damaged by human force. 【Easy to Set】--- Easy to set and reset your personal password, the four digital wheels are very smooth, making it easy to turn even with gloves. It only takes a few 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 (78*58*26mm) waterproof combination padlock is perfect for indoor and outdoor use. Ideal for gym lockers, school and employee