A sleeved 10mm - 3/8 inch diameter hardened security chain with hexagonal short links.
Total length is about 45 inch. A handy storage bag is included. This chain works great to lock up bicycles, tools or equipment and is a perfect match for the ABUS 83CS/45 padlock (not included).
Chain link: 10mm - 3/8in
Inside Width: 20mm - 0.78in
Total outside Link Width: 40mm - 1.58in (without sleeve)