Comes with 3 keys. You can carry one key for daily use and leave the other at home in case you lose a key Small and easy to carry Unbreakable when pulling or cutting, safe to use High strength metal head, durable, strong, safe anti-theft, anti-corrosion, anti-rust This motorcycle chain is surrounded by a protective cloth sleeve, which effectively protects the chain from rust and scratches The small bicycle chain can be used not only for bicycles, but also for motorcycles, scooters, balance bikes, strollers, doors, fences, grills, lawn mowers, sports equipment, outdoor equipment, tool boxes, and ladders, Manufacturer: Rxgiasup