Top model of the Spray-Work HG Airbrushes. Can be used for extended periods of time without your finger getting tired. Capable of spaying lines under 1mm thick. HG Trigger-Type Airbrush is of the double action type, which means that initial spray will emit mostly air to enable fine adjustment of paint spray volume. This high-grade airbrush features cup molded on to airbrush as one metallic piece. Nozzle diameter- 0.3mm