Set up your own combination: A 4-digit padlock takes 10 times longer to crack than a 3-digit padlock. You can set up your own combinations with 10,000 unique options, knowing they're more reliable and secure. Easy to use: Unique side window design and large numbers make for easy reading. In addition, the positive code locker padlock is equipped with an advanced damping device inside, so that each dialing clicks into place, thereby improving the accuracy and feel of the code. Follow the instructions on the back of the package to easily set up or reset in just 6 steps. STURDY CONSTRUCTION: Outdoor heavy-duty digital padlock features a high-strength zinc alloy body, hardened steel shackle and skilled craftsmanship. They are weatherproof, cutting and sawing resistant. They are designed to be your most durable combination padlock. WIDE APPLICATIONS: The padlock combination is ideal for indoor and outdoor tasks such as gym lockers, school and staff lockers, cupboards, pantries, tool boxes, gates and door hasps, garages, sheds, fences and general storage . NOTE: This is a large or medium size lock (1.73*0.86*3.11 inches, lock diameter: 6mm) and will not fit well into the zipper hole. Warranty: This locker combination padlock comes with a 12-month warranty and lifetime technical support. If you need any help, our professional and friendly customer service team is available 24/7. Buy with confidence!