ITEM NAME:1Piece Raspberry Pi Heatsink Cooler Fin for Transistor Semiconductor Devices Description: - Scope of application: For LED and Fan Heat Sinks, High Power Semiconductor Heat Sinks - Machining into slotted fine teeth to enhance heat dissipation - Material: Aluminum - size: 50*50*100mm Package Included: 1x Heatsink.1x Heatsink. - Machining into slotted fine teeth to enhance heat dissipation.