Solid four-digit zinc alloy padlock padlock , corrosion-resistant zinc lock body with hardened steel strap Safe locking mechanism with exceptional resistance before levering attempts Effortlessly resettable, four-digit combination with 10,000 possible combinations Waterproof, suitable for outdoor use even in weather perfect for securing outbuildings, sheds, gates, lockers, tool boxes and bicycles, etc. How to use: Step 1. Select the initial password "0000" and unlock the padlock . Turn the steel rod 180 and press down Step 3. Reset your 4-digit password Step 4. Closing and ready for use Please remember the password you have set, otherwise you will never unlock the padlock due to the highly secure locking mechanism. Colour:Brassy Material:Zinc alloy Size:.56 mm x 104 mm, Bow width:. 26 mm, Temple height:.57 mm, Bracket diameter:. 7 mm Package Contents: 1 x Four-digit Combination Lock Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.