Wintter 20 Pack IC Chipset GPU CPU Thermal Heatsink Copper Pad Shim Size 20 x 20 x 1.0mm<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Easy installation for your DIY arduino projects，with good heat dissipation effect.</li><li>Material : copper，Size : 15*15mm(L*W).</li><li>100% copper， cut and polished，High performance Thermal Heatsink.</li><li>Shims are used between the CPU/GPU and heatsinks to provide better cooling for your PS3，ect.</li><li>Package Content: 20x Copper Thermal Heatsink.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41HoI4E--PL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416oNybBKOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41faOTW6jdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31IdZD2N2gL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31mzleFtYnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51g7Yq-xENL.jpg" noproxy>