The chain lock Oxford Boss 46 is equipped with a 12mm square chain made of high quality, alloyed Ni-Cro-Mo steel. The chain is provided with a fabric protection sleeve to prevent damage and facilitate handling.The padlock is supplied with three keys for which there is a key exchange service. If you buy your boss 46, just make a note of the number attached to the keys on a metal shield. Store this in a safe place so that if you unfortunately should lose all the keys, you can cancel a new key.This chain lock was subjected to strict independent tests and sold Secure Motorcycle Gold, Art 4076 approval and SBSC-certified product. It also comes with a 2-year warranty.chainHardened 12 mm square link chain made of alloyed Ni-Cro-Mo steel, reinforced with titanium alloySleeve for protecting the paintGalvanized to protect against corrosionCan be used with all Oxford floor anchors1.2m, 1.5m & 2.0m available lengthspadlockDouble safety by securing on the slice with chainDouble locking shackle mechanismAnti-pick & anti-drill lock cylinderShackles of tempered steel prevent bolt splintering