Chain Locks,Security bike chain lock - 70cm long Chain & 40mm Pad Lock Kit- Bicycle Lock made of specially hardened steel for Bike Cycle, Moto, Door, Gate Fence with 4 keys. Security padlock and full chain plating anti-rust corrosion resistant and waterproof. prevents saw blade and tool cutting, Chain is made of hardened steel with excellent chain strength provide the highest level of protection for items. so it protects your precious items from theft. SIZE:Chain thickness: 10 mm, Length:100mm. Package contains: Anti-shear lock,4 keys , Hardened Steel Chain . PORTABLE AND WIDELY USAGES: -Perfect medium length and weight for easy carrying, perfect for gym, skateboards, sports equipment,Garage,farm,fence, tool boxes, hand trucks and anywhere you want,Provides security for hard-to-lock-up possessions.