Self-adhesive Bare Copper Heatsink Cooling Kit for Raspberry Pi 13x12x5mm -1PC Copper Heatsink Cooling Easy Install for Raspberry Pi -A Pure Copper Heatsink to keep your Pi Cool -Pure copper Heatsink For Raspberry Pi ,than aluminum effect much better. -With Self-adhesive thermal transfer for easy application. -No Need to use fans to cool your Raspberry Pi -Dimensional : 13mm x 12mm x 5mm -Material : Copper Other Raspberyr PI accessories are available We also offer Raspberry Pi services - Loading NOOBS and other OS rom on Raspberry PI - Install XBMC, and make it home threatre intelligent device - Set up remote access server - Set up WIFI connection - Set up LEMP (NGINX) web server on Raspberry PI We specialize in electronics, computer, cell phone accessories Pick up Name: "Cable Link" Tel: 613-680-6188