Urban Security 559 DUO Chain lock 120 cm (47.2 inch) combine with Mini U-Lock 10 Millimeter Hexagonal hardened steel chain links with 14 Millimeter Mini U-Lock. Fabric sleeve prevents damage to frame and paint job. 120 cm - 47.2 inch Chain length. Anti-drilling and anti-picking key mechanism / 3 reversible laser key. 2 years Warranty for manufacturing defects / Made in Europe with the most advance technology.Made in Europe with the most advance technology.