The 3/8 "quick connector set can convert hose, pump, ball valve, telescoping wand, surface cleaner and spray gun with screw in connections into quick connectors This combination is suitable for devices and hoses with male M22 screw-in fittings. Please measure the size othe connector you need to fit before purchasing. The 3/8" ball lock design creates a stable connection and is easy to release, making itconvenient to use. Pressure washer quick connect-Working pressure is up to 5000 PSl. The main body is made of brass material, and the ball lock is made of stainlesssteel, which is not easily corroded and durable. Pressure Washer Adapter 3/8" M22 Quick Connector Kit 3/8 Inch Quick Connect Fitting Set Pressure Washer Adapter Set Size:D 3/8"Q/D-F 3/8"Plug-F (brass material) Max. Working Pressure: 5000 PSI 3/8" QD Ball lock design ensures a solid connection, simple to assemble and disassemble with 3/8" plug