The Grex Tritium TG3 comes with a .03 mm nozzle. The Grex Tritium Series is a premium line of double action pistol style airbrushes, the TG combines ease-of-use, comfort, superior detail control and the versatility of using the perfect top gravity cup size for your project. Coupled with several unique and patented features, this airbrush truly is a Grex. Features: Easy-to-use "pull" trigger controls both air and paint. - Cutting edge design for precise control of fine detailed work. Replaceable solvent proof PTFE seals allows use of all media. Includes 3 reservoirs: 2mL (1/20 oz.), 7mL (1/4 oz.) and 15mL (1/2 oz.). All Grex Tritium Airbrushes can be converted to different nozzle sizes with optional kits.