ITEM NAME:Heat Sink Aluminum Heatsink Cooling Fin Radiator for Power Equipment Description: Made of large amount of aluminum, good thermal conductivity. The heatsink is a passive heat exchanger that transmits heat generated by an electronic or mechanical device, allowing the temperature of the device to be adjusted to an optimal level. Designed to maximize surface contact with cooling air. Light weight, suitable for heavy weight applications. Widely used in computer, power IC, power equipment, LED lighting equipment. Specification: Material:Aluminum Size:80x80x26.9mm/3.15x3.15x1.06inch Color:As the Picture Shown Package Includes: 1 Piece Heatsink Fin Note: Please make sure that the size of the heat sink fits that of your component..1 Piece Heatsink Fin. Made of large amount of aluminum, good thermal conductivity. Light weight, suitable for heavy weight applications.