anchors for securing structures and trees; [ anchors that serve as retaining walls and/or parts therefor; ] anchors [, gabions and geogrids ] for erosion control; cables, wire tendons and chains for use with the aforesaid anchors; [ security chains and security locks; ] connectors, collars, clips, grips, rods and tensioners for installation of anchors [, gabions, geogrids, retaining walls and parts therefor; anchors used for towing vehicles all made of metal ]