Usage Tips:Perfect atomization and antiswitched from cleaning ability, depending on the size of the aperture, the range will be different. The sprayer tips make an easier preparation of the surface, painting, and other coatings as well as the cleaning after painting. The airless sprayer nozzle is easy to install without tools, easy to operate in a few moments. Stable and reliable, not easy to break or damage, leakproof, wear resistant, easy to cleaning, and can be applied for a long time. These airless sprayer nozzle for small to medium-sized and large residential, commercial buildings spraying works, sprayable interior and exterior paint, oil paint. Fine workmanship with fine quality materials, nice atomization effect, and reduced consumables. Nozzle type: 211, 315, 417, 515, 517, 523 (all included) Nozzle size: 55 x 49 x 18mm / 2.2 x 2.0 x 0.7in Nozzle seal size: 11 x 11 x 10mm / 0.4 x 0.4 x 0.4in Nozzle seats size: 60 x 55 x 45mm / 2.4 x 2.2 x 1.8in Colour:blue Material:Tungsten steel + plastic Package Contents: 1 set x Airless Paint Nozzles Set 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.