EASY CONNECTION: One end of the pressure washer gun adapter can be connected to the pressure washer nozzle head or foam gun via the 1/4 male head Applicable Equipment: High pressure machine gun made of excellent brass and stainless steel for durability, the adapter is only suitable for 1/4 inch quick connection design of pressure washer rods or guns. MULTIPLE FUNCTIONS: These nozzles are ideal for quickly cleaning large vehicles such as caravans, e.g. water spray, agricultural equipment. The powerful impact makes it ideal for cleaning large flat surfaces such as driveways and patios EASY TO USE: The 1/4in famale thread quick connector is made of brass and protects against rust and corrosion. Insert the other end into the gun and turn the adapter for easy connection and disconnection. 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.