Material: The reversible airless nozzle is composed of stainless steel handle and a tungsten carbide orifice; the suction head sealing ring is made of stainless steel suction head gasket and nylon, which is strong and wear-, odorless, non-permeable, easy to clean, and can be used for a long time. The same is true for the airless sprayer protective cover. The mouth core has high hardness, is not easy to wear, and has a long use time. Wide range of applications: it can be used for home decoration, paint and industrial fine coating and decoration, etc.; they can make the preparation of surfaces, paints and other coatings and cleaning after paint replacement easier. Package: You receive a five-piece set, 4 sets are different types of reversible airless sprayer nozzles, each of which contains an airless nozzle and a nozzle seal, and one set is an airless sprayer protective cover. Different types of nozzles can meet your airless sprayer nozzle replacement needs. Easy to use: The airless nozzle is easy to install; first insert the nozzle seal ring into the protective seat, then put the nozzle into the protective seat, and finally rotate and fix; the cleaning is simple and fast, just rotate the nozzle to clean. Wide compatibility: There are 4 models of 215, 315, 417, 523 and the corresponding nozzle diameters are 0.015 inches, 0.015 inches, 0.017 inches, and 0.023 inches the range is 4-10 inches/10-12 cm; the airless sprayer nozzle is compatible with most airless sprayers; the range vary depending on the aperture size. Colour: yellow Material: metal Package Contents: 4 * Reversible airless sprayer nozzles 1 * Tip Guard 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.