Quality materials: The reversible airless tip is made up of 304 stainless steel handle and orifice; The tip seal is made of stainless steel tip gasket and nylon. Respectively 211, 315, 417, 515, 517, 523, the range is 4 to 14 inches, these air-less paint spraying tips compatible with most airless paint sprayers machines and airless , different models are combined to better meet the different needs in your life Practical design:This airless sprayer nozzle has a reverse airless cleaning switch nozzle design, the can be quickly cleaned in a reversible position to prevent the nozzle from clogging, practical and effective for your work. Easy installation: Easy InstallationThe airless sprayer nozzles are easy to install without extra tools.Use the paint tip to seal the nozzle into the protective base; Then insert the head into the protective base and rotate to complete the installation step, easy to operate in a few moments; For clean, just rotate the nozzle., Manufacturer: CTRLZS