290*290mm square truss ,which is connector by the spigot , that is very popular at market , Especial at Europe market , The spigot truss which main characteristic is ,use of easy ,quick building, stronger loading capability.Which main to use formove performances, ceremonies, the indoor exhibition planes, the studio,Studio, press conferences,hanging lights, product fairs, exhibition halls display, and other structures need to meet a variety of projects. The truss main tube is 50*3mm tube ,brace tube is 25*2mm , the length on 0.5-4m , the alloy materila is 6082-T6 .
290 square truss