High quality materialspressure washer is made of engineering plastic. The internal structure is in stainless steel. The tip is a 1/4 inch quick connector. High pressure gun has quick connect adapter and M22 (14mm) connector. the adapter is made of alloy, sturdy and durable. It can be easily installed on Karcher Quick Connect Spray Gun Good performancePressure of 280b, 4000psi - flow rate 25LT/min, 7USGal/min. The highest water temperature can reach 150 degrees. Good performance enables the high pressure shower head to perform its cleaning function faster and better Provide 5 nozzlesRed, yellow, green, white and black color nozzles correspond to models spray angle of 0, 15, 25, 40 and 65 respectively. Different nozzles are suitable for various cleaning scenarios Offer Multiple ChoicesDifferent nozzle angles meet your needs in different situations, such as car wash, fence wash, roof wash, tile, floor, wall, allowing you to clean hard-to-reach areas quickly and easily Easy to useWater gun is easy to use and detachable. It can be easily installed on Karcher Quick Connect Spray Gun. The product has a non-slip design. The red lock design can prevent children from hurting themselves