Nice combination: you will receive 2 pieces airless paint sprayer nozzle protection nozzle seat and 4 pieces spray tips (415, 515), which protect your sprayer from scratches and maintain its efficiency, a nice combination for daily use Quality: the airless spray head features 304 stainless steel handle and tungsten carbide orifice plate; The airless paint sprayer nozzle protection nozzle seat replacement is made of quality metal and plastic, which can be applied for a long time; The head is made of stainless steel head gasket and nylon, strong and wear-resistant, tasteless and safe, waterproof, easy to clean Easy to install: the airless nozzle is easy to use without additional tools; First insert the nozzle gasket into the protection base, then insert the spray nozzle into the protection base and finally rotate the fixed; You just need to rotate the nozzle to clean, convenient to use It can meet your daily use and replacement, so you can apply airless spray paint tip with confidence;