Badger Conversion Kits include all the parts needed to convert your airbrush to create a fine, medium, or heavy spray pattern. They can be used with Badger Model 100 and 150 Airbrushes. - Badger Airbrush Conversion Kit - MediumBadger Conversion Kit, MEDIUM - Converts airbrushes to create a medium spray pattern from 1/32 inch (0.8 mm) to 2-1/2 inch (63 mm).