Erie Tools 5.5 Stainless Steel Orifice 15 Degree 1/4" Quick Connect 4,000 PSI High Pressure Washer Spray Nozzle Tip Nozzle Orifice Size: 5.5 15 Degree nozzle high-pressure scraper spray tip. Maximum PSI: 4,000 1/4-inch stainless steel insert. Delivers a concentrated stream that works as a scraper.