The Oxford Products Boss46 16mm lock and chain 12mm has a 12mm square link chain made from high-quality Ni-Cro-Mo alloy steel. The chain has a protective cloth sleeve to protect your paintwork. The padlock comes with three keys, for which there is a key replacement service. This chain lock has undergone rigorously independent testing and has Sold Secure Powered Cycle (Motorcycle) GOLD, ART 4076 approval and SBSC certified product. It also comes with a 2-year warranty. Long links reduce weight for easy transportation, and the zinc coating prevents corrosion. It can be used with all Oxford ground anchors. The padlock offers double security with a double locking shackle mechanism and an anti-pick and anti-droll lock cylinder. The hardened steel shackles prevent bolt cropping. 2 metres in length.