The gun body is made of engineering plastics. The internal structure is made of stainless steel. The scrubber spray gun has a quick connect adapter and an M22 (14 mm) connector. The gun head is a 1/4 inch quick connector. The black accessory is the adapter. It is easy to use and detachable. It can be easily installed on Karcher Quick Connect Spray Gun. Nozzle Set: Five color-coded spray nozzles with red, yellow, green, white and black for spray patterns of 0°, 15 °, 25°, 40° and 65°. Multiple choices: Different angles spray nozzle tips meet your need in different situations, such as watering flowers and plants, washing car, washing fence, washing roof, and allows you to clean hard-to-reach areas quickly and easily . Application: lt is also designed for turbo nozzle, surface cleaner, water broom, water train cleaner, swivel coupler, foam cannon, spray kit pressure washer sandblasting, gutter cleaner attachment. Specification: Color: Black Material: Plastic + Brass < p>type：High pressure washer gun Maximum pressure: 4000PSI Connector: M22 thread (outer diameter 22mm, inner diameter 14mm), Quick Click adapter. Feature: This high pressure washer gun design pressure with 1/4" quick connect outlet fitting, it will be compatible to connect spray nozzles. The gun end is suitable for all pressure washer hoses with 14mm internal thread diameter, such as Generac , Simpson , Briggs Stratton, Craftsman, Karcher and Ryobi pressure washer hose, please make sure your pressure washer hose has a diameter of 14mm inside the metric M22 thread. Screw in the adapter to fit to Karcher High Pressure Hose Quick Connect. 5pcs Spray Nozzle Tip for High Pressure Washing Machine 0 Degree High Pressure Nozzle (Red/Stainless Steel/Thick Pencil Spray) High pressure floor removal at 15 degrees (yellow, stainless steel, high performance) Low pressure brick cleaning at 25 degrees (green, stainless steel, multi-purpose), etc . Common use such as 40 degree car cleaning (white, stainless steel, sensitive surface), etc. 65 degree nozzle (for black/brass/low detergent pressure) What's included. 1 >Note: Due to the difference between lighting and screen settings, the color of the product may be slightly different from the picture. As manual measurement is different, please allow slight size difference.