The Oxford Patriot chain lock comes equipped with an ultra strong, 12mm square link chain made from Ni-Cro-Mo alloy steel. The chain has a protective cloth sleeve to help prevent damage and make it easier to handle.The padlock features an advanced 4 way locking system and comes equipped with an extended length 14mm pin perfect for using as a chain lock. The padlock can be used as a disc lock to double security only when combined with the chain.A key replacement service is available so that if you are unfortunate enough to lose all your keys a new one can be made up. Just remember to take note of your key number and keep this in a safe place.This chain lock has undergone rigorous independent testing and has Sold Secure Powered Cycle (Motorcycle) GOLD, ART 4* approval and SBSC certified product. The Oxford Patriot chain lock is resistant to attack by sledgehammer, saw, bolt cropper, drill and freeze tested. It also comes with a 2 year warranty. Chain - 12mm square link chain made from Ni-Cro-Mo alloy steel. - Case hardened chain to resist bolt cutters. - Zinc coated to prevent corrosion. - Protective cloth sleeve to help prevent damage and make it easier to handle. - Long links reduce weight and increase portability. - Fits all Oxford ground anchors. - Can be easily stowed under the seat. - Available in three lengths: 1.2m, 1.5m & 2.0m. Padlock - By design the lock body is protected within brake disc. - 14mm rotating locking pin to prevent attack. - 4 way locking system.Note: Due to the pin length the padlock cannot be used as a disc lock on its own, it should only be used in combination with the chain.