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