Single Action External Mix Siphon Fed Airbrush SetDetails The airbrush features a chrome plated body for durability. Included with the airbrush are all three available spray heads, allowing the H airbrush to be used in various applications. The H single action allows the user to achieve fine lines down to 1 16 inch and wider patterns of up to 1 1 2 inches. The H is simple and easy to use and requires very little practice compared to double action models. The best uses are those requiring more basic