Durable polyester cover cycle locking strip adopts durable polyester cover, which is soft, wear-resistant and fine to touch The polyester cover can not only effectively protect the inside metal chain form dust but also can avoid starches on your bike paint Metal chain, the cycle locking strip is made of high quality alloy steel material, which is hard, tough, strong, thickened and closed connected together With the four-sided angular design, the high density metal is more tensile than the normal metal chain, protecting your bike from physical cracking 5 digital lock The exact with 5 digital number lock offers up to 100000 possible combinations, making it nearly impossible to decode Besides, the cycle locking strip needs no keys and is convenient to operate Reflective design. The special reflective strip design is not only can decorate your bike but also can help you to find the exact bike and the lock position at night Scope of application. The bike lock can be widely used for bike, motorcycle, stroller, electric scooter, gate, ladder, fence and so on Note: The bicycle lock's original password is 00000. Adjust the password in 00000 position, and then rotate the lock core in counter clockwise direction for 90 degree. At next, set your personal password by adjust the number position matching the arrow mark. At last rotate the lock core back the original place. Specification: Type: cycle locking strip Quantity: 1pc Material: polyester + alloy steel + ABS Size: Length 1 meters, Diameter of the steel chain 6mm Weight: 650g Package included: 1 x Bike Chain Lock