Usage Tips:These airless paint nozzles are different in specifications, including 211, 315, 417, 515, 517, and 523, which can meet your different painting needs. Each paint sprayer tip is printed with clear model identification, easy to find. The airless paint sprayer tips are made of quality Material, and the paint sprayer tip guards are made of metal and plastic materials, which is G7/8-14 connector thread size. Insert the paint sprayer nozzle seal into the nozzle guard, then put the paint sprayer nozzle into the nozzle guard, and finally rotate and fix it. It only takes a few seconds to install, saving your time. PREMIUM MATERIAL: Stable and reliable, not easy to break or damage; leakproof, wear-resistant, easy to clean, and can be applied for a long time. WIDE USAGES: These airless sprayer spraying machine parts For small to medium-sized and large residential, commercial buildings spray works, sprayable interior and exterior latex paint, oil paint. Compatible with most mainstream airless spray guns. Material: metal+plastic colour: blue+silver Package Contents: 6 x Airless Paint Nozzles(211, 315, 417, 515, 517, 523) 2 x nozzle seat 5 x Filters 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.