Vaper 19220 HVLP Triple Set-Up Spray Gun Kit - 4 Piece metal Imported 1.0mm Detail Gun - For lighter materials and touch up work 1.4mm Production Gun - For lighter materials such as high quality bases and clear coats 1.7mm Production Gun - For heavier materials such as primers, surfacers and fillers Includes locking pressure regulator with gauge Triple set-ups allow you to dedicate each gun to a specific use