4-digit security padlock: The 4-digit security padlock allows you to set your own password with 10,000 unique options. It's 10 times more secure than a three-digit lock. Easy to use: Set up the password lock in 6 simple steps. Large numbers and side window make it easy to read. Additionally, the locker padlock is equipped with an advanced damping device inside. When you line up your codes, each of your numbers will snap into place with better precision and feel. Sturdy and durable: The heavy-duty college locker padlock adopts a high-strength zinc alloy body , a hardened steel shackle and exquisite craftsmanship, resistant to weather and cutting and sawing. Wide application: The digital padlock is perfect for indoor and outdoor use, such as gym lockers, colleges, schools, escape games, cabinets, tool boxes, garage doors, sheds, yards, fences, general storage bins, etc. . Note: This is a large or medium size sports locker lock (1.73 x 0.86 x 3.11 inches, lock diameter: 6mm) and does not fit into the zipper hole well. Note: The data are all measured manually, please allow 1-3cm error due to the difference in light and temperature. display, there may be some color differences, please refer to the actual item received.