What Will You Get?You will receive 2pcs G1/4" black male to male extender fittings. Product Size: Thread Size: G1/4", Overall Length: 24.5mm/0.96" Mid Knurled Hand Twisted Section: 14.7mm/0.58", Port Diameter: 12.7mm/0.5". Features: can be rotated 360 degrees. Unique Design:G1/4 “ Male to Male Extender Fitting is designed with embedded O-ring and sealing rubber ring for quick connection, enhanced stability, ensuring sealing performance and leak-free operation. High-Quality Materials: Male to Male Extender Fitting is made of high-quality brass with exquisite craftsmanship and electroplated surface treatment for better heat dissipation and durability. Wide Range Of Uses: The main features of the Male to Male Extender Fitting with O-Ring are its extension capability and 360 degree rotation. It can be widely used in various computer CPU water cooling systems. The adapter provides a reliable, versatile compression fitting solution for computer water cooling systems, ensuring efficient, leak-free performance.