... Light weight and high performance. 2,Copper column-shape heat pipe Aluminum LED heat sink,Bonded fins,Zipper fins and extruded finsFeature ... :heat pipe+copper base+aluminum fins 3,Many shapes and ... powder coating, brushing, polishing. etc. 6,Color available: White, black, silver, green, red. etc.Punching, drilling holes, cutting, deep-processing. etc ...