One spray gun with a 1.4mm needle and nozzle set for lighter materials such as high quality base coats and clear coats. A second spray gun with a 1.7mm needle and nozzle set for heavier materials such as primers, spray fillers, and upholstery adhesives. The third piece in the kit is a locking pressure regulator with a gauge with 12bar/180psi range. A holder (not included) is also available.