【High-quality material】The 4000 PSI pressure washer gun can easily remove and wash away dirt from car surfaces. The body of the pressure washer spray gun is made of engineering plastic, and the internal structure is made of high-quality brass and stainless steel. 【5-color nozzles】The pressure washer spray gun with 5-color nozzles - 0 degrees (red), 15 degrees (yellow), 25 degrees (green), 40 degrees (white) - meets different spray widths and all types of cleaning needs. 【Safety and efficiency】The foam gun has a safety lock handle to prevent accidental spraying. The ergonomic handle design is easier to use and more efficient, avoiding accidental splashes. 【1/4" Quick Release Connection】The M22 spray gun is equipped with a 1/4" quick release connection, suitable for most quick-release pressure washer accessories. Such as nozzle tips, foam cannon, foam lance. Specifications: M22 male thread gun inlet: M22-14 outer diameter 22 mm; 14mm internal diameter. Outlet: 1/4" brass quick