3 pcs Cooling Aluminium Heatsinks Heat Sink for Raspberry Pi Ver. 2.0 Model B and VGA RAM Memory Cooler Lightweight aluminum heatsinks with adhesive backing strip to stick firm With thermal transfer peel-and-stick tape Help keep your Pi cool while overclocking! Fits the CPU/RAM, Network and Power chips on the Raspberry Pi Material: Aluminium Dimensions: One:14 x 14 x 6 mm Another two:8 x 8 x 4 mm