1、Exclusive water-cooling heads, liquid-cooled water plates, and water-cooled exchangers for semiconductor refrigeration fins 2、Completely consistent with the cooling film, and can be used for small productions such as mobile phone and computer heat dissipation, cold transfer, cold water formation, etc. 3、Suitable for industrial inverter drive, laser head cooling, industrial control cabinet cooling, etc. 4、Can be used for heat dissipation, cold transfer, good-quality aluminum material possess good strength, good corrosion resistance 5、Made after double-sided polishing surface treatment, exquisite and smooth without burrs 1 x CPU Water Cooling Block Item Type: CPU Water Cooling BlockMaterial: AluminumPurpose: Heat dissipation, cold transferSize: Approx. 40 x 40mm / 1.6 x 1.6inOuter Diameter of Faucet: Approx. 9.5mm / 0.4in (can be connected to hose with inner diameter approx. 7 ~ 8mm / 0.3 ~ 0.3in)Surface Treatment: Double-sided polishing