High-quality material]: Made of high-quality brass. The ball-lock design ensures a tight connection every time, and the working pressure can reach 5,000 PSI. The black gasket makes the connection more tight. Leak-free [Convenient disassembly and assembly]: It is easy to connect and disconnect the threaded brass hose joint and the water supply. The hose connection adapter provides a secure and quick connection and is very easy to assemble and [Usage method 1]: Used for spray guns, hoses, pumps, converting M22 threaded joints to 3/8 quick connectors. Compatible with most M22 fittings and quick connectors on pressure washers [Usage method 2]: Use the threaded quick connector adapter kit to quickly connect hoses, pumps, and hose reels. Ball valves. Telescopic rods. Surface cleaners and [After-sales service]: Before purchasing, please make sure the product matches your hose connector model. If you encounter any problems during use, please contact us. We will provide you with the best service.