The cross span assembly is a pre-assembled unit consisting of span wires, cross span support wires, and 4 adjustable catenary wire hangers. 2 metal tower masts on bases with mounting screws and slide-on connections are included. The mast spacing can be adjusted up to 312.5 mm / 12-5/16". The span wires are made of welded steel wire, the cross span support wires are elastic, and the masts and catenary wire hangers are electrically separated from each other. Mast height 170 mm / 6-11/16".