The Forney 75150 Black Soap Nozzle lets you easily connect to most popular pressure washers and delivers an even, broad 65° spray to apply soap or chemicals with precision. This high pressure, brass nozzle has a 4.0 mm orifice and fits a 1/4 inch (6.35 mm) Quick Connect coupler. Maximum temperature is 300° F and max pressure is 4,000 PSI.