Cleaning patches, one patch cleans all firearms from .177 cal. thru 10 gauge. And one patch can be used up to 6 times! Bore solvent performance rust preventative: creates a thin film barrier which stops rust and corrosion. Provides long lasting protection. Penetrant, low surface tension enables penetration into tight fitting area for easy disassembly of parts. Breaks through rust and corrosion. Lubricant, engineered lubricity reduces surface friction without leaving a sticky residue. Cleaner, removes dirt and grime on metal surfaces. De-moisturizer, displaces and seals out moisture with a micro-thin, continuous film.