description:this is biggest truss,mostly used in large scale acitivities and outdoor performance .the nomal length for one piece is 1-4m,it can be stretched to 30m with max 1500kg load.
other shapes can be for your requirements.
Aluminium truss : length on 0.5m / 1m/ 1.5m / 2m / 2.5m / 3m / 3.5m / 4m,aluminium type T6 , main tube D=50mm and thickness=3mm