4-Digit Security Padlocks: 4-digit combination padlocks allow you to set your own code with 10000 unique options. It's 10 times more secure than a three-digit lock. EASY TO USE: Setting up or resetting is easy by following the instructions which are always included. Large numbers and side window design make it easy to read. No more tedious keys. STURDY CONSTRUCTION: Heavy duty long padlocks come with high strength zinc alloy bodies, hardened steel shackles and excellent manship caft. They are weather, rust and cut and saw resistant. WIDE APPLICATION: Long neck combination padlocks are perfect for indoor and outdoor tasks such as door hasps , garage door, sheds, fences, garden shed, containers, toolboxes, gym lockers, locker room, college, school, escape game, wardrobe, closet, etc.