DuraBlue Nitre - Spray-On Bluing 4 oz, 8 oz, 16 oz 32 oz and 128 oz containers REQUIRE your airbrush or spray gun for application (not included) 12 oz Aerosol Can is the Aerosol Can ONLY Aerosol Kit includes 12 oz aerosol can, 6 oz can of TruStrip Cleaner/deGgreaser and scrub pad Please make sure you order the appropriate product size/type for your project