Features: 1.High Purity Copper: This CPU water block adopts premium POM material, and the bottom adopts high purity copper, which is electroplated to prevent oxidation and has excellent heat dissipation performance 2.Easy Installation: This CPU water cooling block with accurate hole position can be easily installed, suitable for intel 3.Exquisite Appearance: This CPU water cold head features exquisite appearance, specially designed for water cooling Environmentally friendly copper nickel plated treatment 4.Fast Heat Dissipation: This PC water cooling block can reduce heat and keep the computer CPU running well 5.G1/4in Thread: This CPU water block adopts G1/4in screw thread which is compatible with most connector specification:Item Type: CPU Water Block Material: Copper, POM Color: Black Thread: G1/4 PackageList:1 x CPUWaterBlock 1 x Base 4 x Screw 4 x Spring 6 x Gasket