The high-quality XPlus cylinder on the Steel-O-Chain™ 9808K chain lock provides excellent protection against manipulation of the lock and thus against theft. 8 mm square chain. The chain, housing and structural parts of the locking mechanism are made of specially hardened steel. Automatic keyhole cover to prevent corrosion and the ingress of dirt. ABUS XPlus cylinder for the greatest protection against manipulation such as picking. Great protection for when there is a high risk of theft Two keys included.