Otis Technology Small Caliber Micro Cleaning Kit FG-100 contains everything you need to thoroughly clean your .17 through .22 caliber rim fire, auto-load, or air rifle. This cleaning kit utilizes the patented Breech to Muzzle cleaning methodology of all Otis Technology cleaning products, allowing you to pull dirt and fouling out of the muzzle and away from the delicate moving parts of your firearm. The key to this Otis Technology cleaning kit is the Memory-Flex rod, a nylon-coated aircraft grade cable that fits the patch tightly to the bore for a complete clean. The Otis FG-100 .17 to .22 Caliber Micro Cleaning Kit also includes the Otis 085 Ultra Bore Solvent, which lubricates, cleans, and protects your weapon all at the same time. Otis Technology has also equipped this basic cleaning kit with small caliber patches and a .17 caliber bore brush. Wherever they are in your firearm, buildup, fouling, and other substances that can harm the efficiency of your .17 to .22 caliber rifle don't stand a chance against the Otis Technology FG-100 Micro Cleaning Kit.