[PARAMETER] Thread Size: G1/4', Nozzle Size: 9mm x 17mm (OD*L), Shape: Straight. [MATERIAL] The material of the water cooling block fitting is brass (plated chrome), which is better heat dissipation and durability. [FIT FOR] The extender fittings are designed for tight attachment, they can be connected to a water hose with an inner diameter of 7-8mm. [FEATURE] The surface of the tubing adapter is polished, with good appearance. [APPLICATION] This pipe fitting is suitable for various of the CPU water cooling system, such as the computer CPU and the games CPU, etc.