AirBrainz-Airbrush Clip Caps. These airbrush clip cap sets are easy to use: just fill, click, and spray! Use with AirBrainz Airbrush (sold separately). This 6-1/2x4-3/4 inch package contains two jars, two dip tubes, two clip caps and one cleaning wire. Comes in a variety of colors. Each sold separately. Made in USA.