Features: is the most efficient heat conductors in the world，Its thermal conductivity can reach 5300W/m-K, copper only 386.4W/m·K and aluminum only 237 2W/m·K. Professional Copper radiator and anoxdic oxidation treatments better heat dissipation performances. The thermal pads can use to fill themaster chip and flash memory chips height and increase the cooling effect. The thin radiator is designed for the notebook and some small space heat dissipation. Easy and convenient for us to install and remove. Heatsink only, other accessories demo in the picture is not included! Specifications: Item Type: Heatsink Material: Pure Copper, Size: approx 67x26mm/2.64x1.02in Color: As picture Package Includes: 1Setx Heatsink Pad note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!