Features: brand new and high quality Material: The heat sink is made of eco-friendly alloy aluminum, which greatly improves the corrosion resistance, hardness, wear resistance, insulation, heat resistance of the cooler, and prolongs the service life. Easy to install: Make precise and close fitting, easy to install, and not damage the hard disk. Cooling : Aluminum heat sink is suitable for electronic, computer, electrical facilities, It can for play a cooling effect. Suitable: Aluminum heatsink heat sink cooling fin, for ideal to be used for cooling LED, Computer CPU,Power Amplifier and Transistors. Reduce Loss: It can reduce the power loss of the device, provide an effective volume of occupied space for the device and improve the environment. Specifications: Material: Aluminum Size: Approx. 10x5.8 for cm/ 3.94x2.28 inches Glue Weight: 5g Package Includes: 2x Aluminum Heatsinks 1x Thermal Conductive Glue note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.