ITEM NAME:12Pcs/Set Heat Sink Aluminum Copper Radiator Cooler Kit For Raspberry Pi 2 / 3 Features: 100% brand new and high quality. Used for Raspberry Pi model B+, 2, or 3. One large heatsink for the ARM processor and one small heatsink for the LAN controller. These pure aluminum / copper heat sinks include adhesive thermal tape for efficient thermal transfer to the heat sink providing additional cooling to the electronics they are attached to. These heat sinks have profiles which are short enough to fit within standard cases for Raspberry Pi. These heat sinks can be used with other devices such as the Beaglebone to cool processors, regulators, etc. Specifications: Material: Copper + Aluminum Color: shown as pictures Size: White: Large: 14×14×6mm/0.55×0.55×0.24in, Small: 8×8×4mm/0.31×0.31×0.16in (Approx.) Black: Large: 14×14×6mm/0.55×0.55×0.24in, Small: 8×8×4mm/0.31×0.31×0.16in (Approx.) Copper: 14×14×5mm/0.55×0.55×0.20in (Approx.) Blue: 9×9×12mm/0.35×0.35×0.47in (Approx.) Compatibility: for Raspberry Pi 2 / 3 B+ Quantity: 1 Set (other accessories demo in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you.Used for Raspberry Pi model B+, 2, or 3. These heat sinks have profiles which are short enough to fit within standard cases for Raspberry Pi. Compatibility: for Raspberry Pi 2 / 3 B+. 3 X Silver Aluminium Heat Sink.