There are 8 models, namely 209, 311, 411, 417, 515, 521, 523, 619, with a range of 4-12 inches/10-30 cm; the airless sprayer nozzle is compatible with most airless sprayers Sprayer; the range varies depending on the hole size, which may completely meet your daily use and replacement needs. The double-sided airless nozzle is made of High-quality materials, which is strong and wear-, easy to clean, and can be used for a long time. No tool installation required, just a few simple steps to install the airless nozzle on the sprayer; first, use the nozzle to seal the nozzle to the protective seat, then insert the nozzle into the protective seat and rotate to Complete installation, saving time and manpower The nozzle reduces overspray by up to 55% while delivering a softer , improved control, and a more consistent finish. Save more coats. Suitable for painting, furniture, fences, home decoration, industrial fine painting and decoration, etc. This airless sprayer nozzle adopts a reverse airless cleaning switch nozzle design. The sprayer can be cleaned quickly. The reversible position prevents the nozzle from clogging. It is practical and effective and has good working results. Material: Stainless steel + alloy steel colour: black Package Contents: 1 set paint sprayer(209, 311, 411, 417, 515, 521, 523, 619 1 piece each) 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.