LED Heatsink with CNC Machining Material: AL6063 high quality, good price short lead time ... All colour are available. 4) Extrusions for rails, building frames, parts in large air-conditioner, track etc. 5) Customers' own design ... Mould, Extrusion, Surface, Precision Saw Cutting, Punching, Drilling, Mitering, Chamfering, CNC Milling, Bending, Deburring, Welding, Assembly. 6063 LED aluminum LED heatsink