This Pressure Washer Quick Couple Nozzle Set (1/4 inch)is for use on pressure washers with 2.5 GPM,2.5 orifice size. Includes 0°, 15°, 25° and 40° stainless steel quick-connect nozzles, black brass quick-connect soap nozzle. Each in a different color for easy identification. Plus a 90 Degree Quick Connecting Pivoting Coupler, which is compatible with high-pressure washer wands of the known brands that support up to 4,500 PSI. This nozzle HAS 1/4" Male Socket at the back, which compatible with almost all kind of washer accessories.