... Aluminum OEM Profile Construction--(6063/6061 Aluminum Anodized/ Extrusion/ Polish Square,Round,Rectangle,Delta,Hexagon Tube/ Pipe/ Bars/ Rods) Specification: Material: Alluminum ... , 5x, 6x, 7x seriesTemper: O, T1, T4, T5, T6, H12Shape:Round / Square/ Rectangle/Delta /HexagonSize: Flexible SizeSurface Treatment: Anodized, Power Coating, Sandblasting ...