4-digit security padlock: 4-digit code padlocks allow you to set your own code with 10,000 unique options. It's 10 times more secure than a three-digit lock. EASY TO USE: 6 simple steps to set the locker code padlock. Large numbers and side window design make it easy to read. In addition, the cadna with code is equipped with an advanced damping device inside. Each of your numbers will snap into place with better precision and feel when aligning your code. STURDY AND DURABLE: With a high-strength zinc alloy body, a shackle Made from hardened steel and excellent craftsmanship, the heavy-duty locker padlock is weather-resistant, rust-proof and resistant to cutting and sawing. It is designed to be the most durable 4-digit code padlock for you. WIDE APPLICATION: The exterior number padlock is perfect for indoor and outdoor use such as gym lockers, college, etc. school, escape game, wardrobe, cupboard, toolbox, garage door, garden shed, bacyard, fence, general storage box, etc. Note: This is a large or medium sized coded locker padlock (1.73 x 0.86 x 3.11 inches, shackle diameter: 6mm), not really suitable for zipper holes .