Name Aluminium alloy truss Material 6061-T6 Aluminum Alloy Main tube 50x3mm Brace tube 30x2mm,50x2mm Inclined tube 25x2mm junction surface Square tube,Aluminum plate Connection screw Size "250x250mm,300x300mm,400x400mm,450x450mm,520x520mm, 400x600mm,500x600mm,600x760mm, 670x1010mm etc" Length 1000mm,2000mm,3000mm,4000mm (can be customized) Shape Triangle, Square, Circle Colour black,silver Span 12m-20m Load 300kg-500kg share equally Certification TUV,CE,SGS,ISO