【4 Digit Combination Lock】--- 10,000 combinations and makes it 10 times harder to break compared to 3-digit combination locks, provides greater security. 【Sturdy Construction】--- The combination lock is made of high-strength zinc alloy and hardened steel shackle, fine craftsmanship. Heavy-duty combination lock is durable, rust-proof, resistant to cutting and sawing. This lock is strong enough and 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 waterproof combination lock 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