FEATURES SECURE AND REPEATABLE: Smart 5-digit code resets the combination chain lock. Easily set your own personalized combination of numbers. SELF-WINDING: 120cm cable is long enough for different users; Self-winding design for easy portability; Comes with a free mounting bracket, the lock can be easily added to other items; Quick install button makes it possible to install or remove the lock. EASY TO USE: The combination locking mechanism offers keyless convenience and a simple step-by-step process to set your own code. With the keyless convenient lock, you don't have to worry about losing the key and forgetting to carry it. MULTIPURPOSE: The cable is 4 feet long (about 1.2 meters), long enough to lock 2-3 bikes together, or lock your bike to a tree, door, fence, thick pole, etc. This lock can also be used for bicycles, motorcycles, scooters, barbecues, ladders, doors, lawn mowers and more. Product Name: Bicycle 5-digit combination lock Material: steel wire Product size: diameter 12mm, length 1200mm Color: black Packing list (available after purchasing one product) Combination lock x1 Please understand: 1.Due to the long shipping time, the item may be damaged during transportation. If the item is damaged, please leave us a message through the official website immediately and then post a comment, I will solve the problem for you. 2. Due to manual measurement, the size may have 1-3cm error. 3. The color may vary from monitor to monitor.