It includes a standard stainless steel one.3mm air cap (nozzle needle) pre-installed but might be switched with minimal effort and hard work if you need roughly paint particles. You may also choose to use a device that is quick to turn to help you rotate them without the need of http://ricardoyjpsu.free-blogz.com/43864551/the-greatest-guide-to-how-to-use-tsp-before-painting-cabinets