ZHEGE combination padlock is 10 times harder to crack than a 3 digit combination. It is equipped with an advanced damper device inside the wheels, making each dialing click into place with better accuracy. Made of premium zinc alloy and hardened steel shackle, the locker lock is sturdy and highly resistant to cutting and sewing. The locking mechanism with excellent craftsmanship, simple but reliable, and durable to stand all weather. This product is available in 4 sizes: 1.7x0.7x3.14in 0.23 in size: 1.65 version.