Features 1. This bike chain lock has advanced 5-digit combination,which offers more than 100,000 possible combination, making it nearly impossible to crack and greatly decreases the chance of theft. The original password is 00000. 2. Easy to set up; reset the password and the manual is included. It is convenient and practical to use with no keys needed. 3. The chain is made of 6mm thick Heavy duty hardened steel chain which offers strong resisting for cutting and sawing. It is long enough to chain your bikes or other property. 4. It can be safely fixed on the frame to ensure safety. It neither falls nor collides with the bike to damage the paint and produce noise. 5. Quality Guarantee. We have faith in our product and always back it up with trustful customer service, please reach out to us if you have any questions or problems about our products. Specification Material: PVC, Alloy Color: Black Size: Length 1.2m / 1.5m Package Includes: 1 x Bike Lock Package List Package Includes: 1 x Bike Lock