ITEM NAME:3Pack Heat Sink Aluminum +Copper Cooling HeatSink Radiator For Raspberry Pi Description: - Suitable for Raspberry pi 2/3/model B/B+/B development boards. - Please clean the surface of the required electronic components before use to ensure that there is no greasy and no debris. - Keep the surface dry, then remove the heat sink from the back of the heat sink and carefully attach the heat sink to the bonding chip, just a few times. - Pure copper and aluminum heat sink. - Size: 14*14*7mm Package Included: 3Pcs Heatsinks.Pure copper and aluminum heat sink. - Size: 14 14 7mm.