3 Digit Combination Lock.Metal material, Anti-corrosion, Durable.How to change the password: There is a password change hole at the bottom of the lock. Use a small stick to top this hole in the open state, do not release it, and then change the password. Release your hand when you are done, and the password change is complete. You can change the password by yourself on the lock, change the password one by one, don't change three numbers at once. Remember the password, the wrong password will not be able to unlock.Colour:A:Gunmetal ColorMaterial:Zinc AlloyPackage Contents:1 * Drawer combination lockOnly 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.