Vertical are available to suit any propping or access application economically. The connection point is set at 5001000mm vertical intervals for maximum variation in use. The lower cups are welded in position, the upper moveable cups are retained by a fixed stop. The vertical are drilled for the fixing of SPIGOT joint. A bolt can be used to restrain upward forces if required. These are available in different sizes of 3000mm, 2500mm, 2000mm, 1500mm, 1000mm or as required