【Advantage】 - Hose Quick Connector is made of brass, high quality and easy to use. Deep threads make the M22 x 1.5mm fitting easier to tighten and less slippery. 【Adaptability】 - The M22 x 1.5 Double Male Pressure Washer Adapter is for pressure washers or hose connection. 【Type】 - The Pressure Washer Coupling is a 22x1.5mm male to 22x1.5mm male thread connector. 【Inner Diameter 14mm】 - The outer diameter of the 22x1.5mm double male thread adapter is about 22mm. The inner diameter is 14mm. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.