Verticals are accessible to fit into any supporting or access utilization efficiently. The connection point is fixed at 500/1000mm vertical distances for maximal versatility in utilization. The lower cups are welded in place, the upper movable cups are maintained by the fixed stoppages. The verticals are trained for the fixture of the PLUG joints. A bolt can be utilized to suppress upward forces if needed. These are accessible in assorted sizes 2500mm, 3000mm, 2000mm, 1000mm, 1500mm or as involved.