... *2mm 3.High load,easy install 4.Used display aluminum light weight circle truss: Detail:streight aquare trussModel No.:ST34290*290mm /350 ... *290MM Main Tube: 50*2mm/3mm/4mmBrace Tube: 25*2mm / 20*2mmMaterial: Aluminum 6061 T6 / Aluminum 6082 T6The pipe thickness:2mm ... , high loading capacity, quick to build and tear down, durable, light weight Truss, aluminum truss, spigot truss1)Size: 23.62’’(600mm)*29 ...