Specification: Color: black, green, yellow, blue Diameter: 1/2 inch (12 mm) with vinyl shell, length 3.93Feet(1200 mm) 1.Protecting your bicycle, ATV or other valuables against theft. 2.Protective coating helps prevent scratching and the flexible braided steel cable for strong cut resistance. 3. 5 digit combination allows 10,000 possibilities. Making this lock nearly, Impossible to crack. Set your own combination in the strong and complicated mechanism. 4Come With Mounting Bracket 5.bracket attaches to your bicycle seat post or frame post and the actual lock has an easy release attachment mechanism that lets you hook one to the other while not in use. to use the lock, you push the easy release button and the lock is then usable. How to set your own password? 1. Open the default combination "00000" on both lines to open the lock. 2. Rotate the "Set/Reset" knob 90 degrees to the right. 3. Turn the dial to set your personal combination. 4. Rotate "Set/Reset" by 90 degrees to the original position. Package includes: 1x Bike Lock