Chain link is made from 1.60mm of Galvanised Iron (GI) wire. This GI wire is straightened and fed into various knitting machines that turn and cross- weave the wire in such a manner, that they form an iconic chain link design. Chain link is produces in lengths of 18m and made into four main sizes consisting of 4ft, 5ft, 6ft and 7ft. The ready chain links are then packaged into bundles of 11kg, 14.5kg, 16.8kg and 19.4kg as per the 4ft, 5ft, 6ft and 7ft sizes respectively. Chain link is popularly used for fencing of residential areas, commercial or industrial sites to secure the areas.