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: 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 large shackle padlocks come with high-strength zinc alloy bodies, hardened steel shackles and excellent manship caft. They are resistant to weather, rust and cutting and sawing. WIDE APPLICATION: Long neck code on locker padlocks are perfect for interior and exterior tasks such as door hasps , garage door, sheds, fences, garden shed, containers, tool boxes, gym lockers, locker room, college, school, escape game, wardrobe, closet, etc. Specification: 1. Dimensions: 1.7 inches * 0.8 inches * 4.17 inches (L * W * H) 2. Shackle Diameter: 0.23 in 3. Material: hardened steel and zinc alloy The coded padlock brings keyless convenience. Unlike traditional padlocks, we don't need to carry a key with us at the risk of losing it at any time. 4 digits, offers 10,000 combinations, 10 times harder to crack for a thief than a 3-digit one. You will be assured of the high security of your personal belongings. WHO CHOOSES ZHEGE 4-digit PADLOCK? A. EASY TO USE &gt; Easy to set up: Just 6 steps to set and reset your own combination as many times as needed. &gt; Easy to Read: The unique side reading window design and large numbers make this a perfect padlock for young and old. &gt; Easy to align: With an advanced cushioning device inside, the numbers stop at the correct position with each dialing. B. Robust and durable &gt; Made of premium material, the outdoor long shackle locker padlock is sturdy and highly resistant to cutting and sawing. C. Wide application &gt; The Keyless College Locker Padlock is perfect for indoor use on gym, school and employee lockers, all kinds of toolboxes, cabinets, pantries, etc. &gt; Feel comfortable using the weatherproof long hasp number padlock on your gates, sheds, garage doors, hasps, containers, etc. Note: < p>1.NEVER forget your own code.