Material brassItem size LxWxH 6.5 x 6.8 x 2 inchesExterior finish stainless steelAbout this projectHigh qualityThe gun body is made of engineering plastics, and the internal structure is brass and stainless steel, which is sturdy and durable, ensuring normal operation under the maximum 3000PSI. [Included in the package] Including high-pressure cleaning gun, 5 nozzle heads, creating 5 patterns, suitable for various purposes. [Good compatibility] 1/4-inch outlet quick-release connector, M22-14 threaded inlet connector (inner diameter 14mm). [Special improvement] There is a lock safety handle to prevent accidental spraying.[Quality Assurance] If you have any questions, please feel free to contact us. The professional team is ready to serve you at any time.