SET YOUR OWN COMBINATION: 4 digit combination locks take 10 times longer to crack than a three digit lock. You can set your own combination with 10000 unique options that you know they are more reliable and safer. EASY TO USE Equipped with an advanced damper device inside, each of your dialing will click into place with accuracy and suitable feeling when align your code. Large numbers and the side window design make it easy to read. Simle to set. Instructions included right at the back of package. STURDY CONSTRUCTION: The heavy duty combination padlocks come with high strength zinc alloy bodies, hardened steel shackles and skille caft manship. They are weatherproof, resistant to cutting and sawing. They are designed to be the most durable locker padlocks for you. WIDE APPLICATION: The code padlocks are perfect for both indoor and outdoor tasks such as gym lockers, school lockers, pantries, toolboxes, gate & door hasps, garages, sheds, fences and general storage.