Item Weight: 2.42 pounds. Product Dimensions: 1 x 1 x 1 inches. Upgraded 10mm chain links made from Cro-Mo grade steel. Zinc coated to stops corrosion, case hardened chain resists bolt cutters.Padlock: Tough double locking padlock with hardened steel shackle, doubles as a disc lock. The popular Oxford HD chain lock is a fantastic mid-range lock. These chains offer an excellent combination of strength and convenience. Light enough to take with you but strong enough to give reassurance. It is perfect from small to medium motorcycles.