The gun body is made of engineering plastics. The internal structure is made of stainless steel. The scrubber drier spray gun has a quick connection 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 0, 15, 25 spray patterns , 40 and 65. Multiple choices: Different angles spray nozzle tips meet your need in different situations, such as watering flowers and plants, washing the car, washing the fence, washing the 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, washer blaster kit pressure, gutter cleaner attachment. Specification: Color: Black Material Plastic + Brass Type Pressure Washer Gun Maximum Pressure: 4000PSI Connector: M22 thread (22mm outer diameter, 14mm inner diameter), Quick Click adapter. Feature: This pressure washer gun design with 1/4" quick connect outlet fitting , it will be compatible to connect the 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 pressure washer hose. Ryobi pressure washer, please make sure your pressure washer hose is 14mm inside diameter M22 metric thread.Screw on adapter to fit Karcher high pressure hose Quick connect. 5pcs High Pressure Washing Machine Spray Nozzle Tip 0 Degree High Pressure Nozzle (Red/Stainless Steel/Thick Pencil Jet) 15 Degree High Pressure Floor Removal (Yellow, Stainless Steel, High Performance) 25 degree low pressure brick cleaning (green, stainless steel, general purpose) etc. Common use such as 40 degree car cleaning (white, stainless steel, sensitive surface) etc. 65 degree nozzle (for black/brass/low pressure detergent) What's included. 1 X High Pressure Washing Machine Spray Gun 5 X Spray Nozzle Note : Due to the light and screen setting difference, the product color may be slightly different from the picture. As manual measurement is different, please allow slight size difference.