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. Quality materials: The reversible airless tip is made up of 304 stainless steel handle and tungsten carbide orifice; The tip seal is made of stainless steel tip gasket and nylon. 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 into the protective base and rotate to complete the installation step, easy to operate in a few moments; For clean, just rotate the nozzle. color:Black Material:plastic+metal Package Contents: 6 x sprayer nozzles(211, 315, 417, 515, 517, 523) 2 x black nozzle holders 6 x filter screens Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.