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 (14mm) connector. The gun head is a 1/4 inch quick connect. Black accessories are adapters. It is easy to use and detachable. It can be easily installed on the 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: Spray nozzle tips with different angles meet your needs in different situations, such as cleaning windows, floors, doors, windows, etc. E.g. when watering flowers and plants, washing cars, washing the barrier, washing the roof, etc. to clean hard-to-reach places quickly and easily. Application: It is also suitable for turbo nozzle, surface cleaner, water broom, water draft cleaner, rotary coupling, foam cannon, high pressure washer sandblasting kit, gutter cleaner attachment.