【Advantage】 - The quick hose connector is made of brass, high quality and easy to use. Deep threads make the M22 x 1.5mm connection easier to tighten and less slippery. 【Adaptability】 - The M22 x 1.5 pressure washer double adapter is designed for pressure or hose connection of pressure washer. < p>【Type】 - The pressure washer coupler is a 22 x 1.5mm male to 22 x 1.5mm male threaded connector. 【Diameter: Inner 14mm】 - The outer diameter of the 22 x 1.5mm double male thread adapter is about 22mm. The inner diameter is 14mm.