Specifications:Color: BlueMaterial: Zinc AlloyShackle Diameter: 3mm / 0.12-inchInternal Shackle Width: 28mm / 1.1-inchInternal Shackle Height: 41mm / 1.61-inchWire Length: 100mm / 3.94-inchTotal Width: 42mm / 1.65-inchTotal Height: 79mm / 3.11-inch Package Contents:2 x Padlocks Descriptions:Durable Zinc Alloy construction, steel wire.You can set and reset the combination padlock with hundreds of possible combinations, making it harder to crack.In addition to travel, this combination padlock can be used for various lockers, such as hostels, gym, etc. How to Reset:(1) The lock is preset at factory to open at 0-0-0. Press down the button. Now the lock is open.(2) Press down the button, hold the position until next step 3 is finished.(3) Turn the character wheels to set your personal combination.(4) Release the button, now your private combination is set.(5) Remember well your new combination. If you want to change it again, please repeat.