Outdoor Combination Lock, Weatherproof Fence Gate Lock, Shed Lock with 4-Digit Code for Gym and School Lockers (Yellow). High Security Lock: This 4-digit lock offers 10,000 unique combinations for you to set your own code, 10 times more secure than a 3-digit code. Easy to Use: Setting or resetting is easy by following the instructions on the back of the package. Large numbers and side window design make it easy to read. In addition, the gym locker lock is equipped with an advanced cushioning device inside that makes each click of the knob click into place for greater accuracy and feel when setting the code. Opens and closes the lock in seconds for daily use. Heavy Duty Construction: With a heavy-duty zinc alloy body, hardened steel shaft, and expert craftsmanship, this sturdy combination lock is weather, cut, and saw resistant. It is designed to be the most durable combination lock for you. Wide Application: The 4-digit padlock is perfect for both indoor and outdoor use, such as gym lockers, school lockers, employee lockers, tool boxes, cabinets, Pelican boxes, backyard gates, fence gates, sheds, garage doors, general storage boxes, etc.