This is the Badger Abrasive Spray Gun Set with Propellant to Remove Rust and old Paint, and Etch Metal, Wood, and Glass. FEATURES: Black Plastic single action airbrush style gun 4oz jar 1/4" and 1/2" fittings INCLUDES: One abrasive gun with 4oz jar One 1/4" air hose One 1/2" thread adapter One propellant can valve One 9oz can of propellant One dust mask One 12oz bottle of aluminum oxide abrasive powder One instruction manual with parts list REQUIRES: Nothing this is a complete abrasive sprayer set COMMENTS: This abrasive gun will also work with an air compressor operating at between 20-50 psi (1.4-3.5 bar) At the time of writing this, we do not carry the gun replacement parts. cmc 09/23/04 ir/jxs