... .0mmVice tube50*2.0mmDiagonal Tube32*2.0mm*AVAILABLE SHAPE ALUMINUM ROOF OF ROOF TRUSSSquare ,rectangle, triangle, layer, circle, arch, flat ... *FEATURE OF THE ALUMINUM ROOF TRUSS1Easy to install and uninstall,with spigot pins 2.high ... use in many situation*WIDE APPLICATION WITH THE ALUMINUM ROOF TRUSSPerformance stage, outdoor and indoor concert, exhibit and display ...