Blow Gun Debris Deflector. Features: Fits most 6mm blow gun nozzles Included rubber inset provides a tight seal Shield is lightweight This plastic chip deflector easily attaches to blow gun nozzles to prevent debris blowback. The clear color makes it convenient to safely view the surfaces you are clearing with your blow gun. Simply slide onto your Milton blow gun and tighten the screw for a secure fit. Remove by loosening the screw located on the side of the shield and pull off the blow gun nozzle.