What Will You Get?You will receive 4 pcs Black G1/4" Male to Female External Adapter. Product Dimensions: Thread Size: G1/4", Dimensions: 18mm x 10mm (Outer Diameter * Length), Shape: Straight. Unique Design:The G1/4" Male to Female Extender Fittings features an O-ring design for quick connection, stability enhancement, ensuring sealing performance and leak-free operation. High-Quality Materials: Made of premium brass with exquisite craftsmanship and surface electroplating treatment, providing better heat dissipation and durability for long-term use. Wide Range Of Uses: The key feature of this Male to Female Extender Fitting is its extension capability. It can be widely used in various CPU water cooling systems, such as gaming CPUs and computer CPUs. This adapter offers a reliable, universal compression fitting solution for computer water cooling systems, ensuring efficient, leak-free performance.