1.Used for Electronic ,LED,CHIP computer 's component heat dissipation, or anywhere you need a efficient heatsink. 2.This Heatsink is made of pure copper, and the thermal conductivity up to 401W/(mK.) 3.This is high quality and effective heatsink that made pricise processing,smooth surface,no burr,we recommand you choose this. 4.Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same. Welcome to Lingfeng Store