?Airless Nozzle Set? : You will get 2 different sizes of reversible airless spray nozzles. The two models are 415 and 517, and there are two for each model. Each of them is equipped with a nozzle seal. Meet your replacement needs in daily life. ?Durable, high-quality materials? : The reversible airless nozzle is made of 304 stainless steel handle and tungsten carbide orifice. The suction head sealing ring is made of stainless steel and nylon suction head seal, which is strong and wear-resistant, odorless, non-toxic, waterproof, easy to clean, corrosion-resistant, good abrasion resistance and high precision. ?Easy to install and clean? : The spray gun head can be mounted on the airless spray gun. No other tools are required, and the paint can be sprayed onto the surface of the object immediately. Just insert the nozzle joint into the protective base, then insert the nozzle into the protective base, and finally rotate and fix it. Cleaning is quick and easy, and can be cleaned just by