Check the listing for details. OCOCOO CPU water block , Metal Construction for Intel Systems, DIY Liquid. Color: Black, Condition: New, Made in China. Listed at 42.25 USD. Product parameters: Supports Intel all platforms Material: Copper + Aluminum Color: Black Interface type: G1/4 thread Size:91.6*91.6*15.4mm (Length * Width * Height) Features: All metal design, high strength, good heat resistance, suitable for a variety of environments, durable and reliable. High purity copper base, high heat conduction efficiency. Plating treatment, anti - oxidation anti - corrosion. Inlet and outlet design is standard G1/4 thread, good compatibility, can be used with quick twist or pagoda head. High quality sealing process, factory through 3 air tightness detection, safety and leakage prevention, more reliable. Package list: CPU block * 1 Screw *4 Gasket * 8 Silicone grease *1.