50W Heat Pipe Heat Sink Column Heat Pipe Heat Sink,Short and thick copper heat pipe,Honeycomb Heat Pipe Heat Sink Specifications:1,Watt:40W,60W,80W,100W ... 2,Copper column-shape heat pipe Aluminum LED heat sink,Bonded fins,Zipper fins and extruded finsFeature:heat pipe+copper base+aluminum ... styles and models,please contact us for more info.4,Material: Extrusion Aluminum 6063, Al6061,etc.5,Surface ...