100% brand new and high quality. It will be a good assistant for you.Features:1. Interface outer diameter 9.5mm2. Interface diameter 6-8mm3. Inner runner extrusion4. Aluminum alloy welding integrated molding5. The leak rate is less than 5x10 - 6 mbar. l / s part6. Internal fin thickness 0.5mm7. Suitable for computer CPU water, industrial inverter drive, laser head cooling, industrial control cabinet cooling.Specification:Condition: 100% Brand NewMaterial: Aluminum AlloyColor: BlueSize: Approx. 40 * 120 * 12 mm / 1.5 * 4.7 * 0.4 inchProcessing: Vacuum Aluminum BrazingSurface Treatment: BlueWeight: Approx. 89 gPackage List:1 * Water Cooling BlockNote: 1.Transition: 1cm=10mm=0.39inch2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!