... and dismantle 3.Aluminum 6082,lightweight,heavyLoad 4.Main tube 3mm thickness Products informationMaterial:Aliminum 6082Main Tube:50*3mmBraces:25*2mmSpan ... ,520*760mm it depends on the load2. Main tube:50*3mm,50*4mm3. Brace tube:25*2mm,30*2mm,30*3mm4 ... us for repair without charge .CertificateTUV ISO9001 CS5060 Main Tube 3mm aluminum truss