Set Your Own Lock Combination: The 4 number combination lock for locker takes 10 times longer to crack than a 3 digit lock. You can set any combination with 10000 unique choices that you know they are more reliable and safer. Easy to Use: Setting or Resetting is easy following the instructions which are always included. Large numbers and the side window design make it clear and effortless to lock and unlock in daily use. Sturdy Construction: The heavy duty gym locker lock come with high strength zinc alloy bodies, hardened steel shackles and excellent caft manship. They are weatherproof, anti-rust and resistant to cutting and sawing. They are designed to be the most durable gym lock for you. Wide Application: The locker lock are perfect for both indoor and outdoor tasks such as gym lockers, school & employee lockers, canbinets, pantries, toolboxes, gate & door hasps, garages, sheds, fences and general storage. 1-Year Guarantee: Your purchase is covered by a one-year guarantee and technical service support, if you have any questions about our lock for locker, please contact us immediately. We are always here to provide you with 24/7 customer service.