For sale are 2 Large Heatsinks 6" x 4" x 1.25" Extruded Aluminum 1.3 lbs. each. The heatsinks are pulled from old UPS system boards. The heatsinks have some small scratches, scuffs and dings. They are flat bottom the 4 risers that held them to the board have been broken off flush or pulled out. There are 7 threaded holes on one side of the heatsink.