... truss is easy to set up and transport 2 use aluminum 6061/T6 is hard load 3 pass TUV,ISO9001:2008 ... , stage performance, outdoo... Shape: ladder, triangular, square, circle Material: Aluminum 6061-T6 color: silvery certification: TUV ISO9001Length: 0.5-4M Diameter: 50mm ... mainly used for shop display,exhibition 3. Material : 6061-T6 aluminum This truss feature as follow :1)This truss length can ...