Mack 15 Piece Spray Gun Cleaning KitMack 15 Piece Spray Gun Cleaning Kit Included: 1290 S: Five different size brushes on a wire ring. Specialized black bristle brushes for cleaning spray guns, air caps, air passages & fluid nozzles. Series #9 (9 1, 9 2, 9 3): These brushes are a necessity for all types of external & internal cleaning jobs. They can be used with all types of cleaning solvents. The three different sizes cover most applications Packaged in a plastic bag with zip lock and