Fax Machine/ Facsimile Printer Aluminum Heat Sink-- (Expert In OEM Product Design and Manufacture!!!_)Specification:Material: Alluminum Alloy: 1x,2x, 3x, 4x, 5x, 6x, 7x seriesTemper: O, T1, T4, T5, T6, H12Shape: Sunflower shape/ Round ShapeSize: Flexible SizeSurface Treatment: Anodized, Power Coating, Sandblasting, Polishing, Grinding,..