Iwata-Medea Revolution HP BCR Set Dual Action / Bottle Feed A breakthrough designed internal mix dual action, bottle-feed airbrush with ergonomic handle design in airbrush this airbrush outperforms all others in its price range Larger nozzle and needle combination (0.5-mm) that makes for easier spraying of thicker or heavier paints Redesigned trigger mechanism and larger needle-chucking nut for easy assembly Replaceable internal solvent-proof PTFE needle packing for use with solvent or water based paints Fine detail to 1-1/2 spray pattern Five year limited warranty