Brass pressure washer M22 Female (M22F) screw nipple with 1/4 inch (6.35 mm) quick connect plug. Used anywhere high pressure connections are frequently assembled and disassembled. The M22F end easily connects to M22 Male (M22M) fittings on equipment such as pressure washer hoses and the 1/4 inch (6.35 mm) quick connect plug end allows for fast and easy exchange of 1/4 inch (6.35 mm) spray nozzles, guns, etc.