The Otis .38 Caliber / 9mm / .40 Cal / 10mm / .45 Cal Professional Pistol Cleaning Kit is a versatile, professional-grade solution for maintaining a wide range of popular handgun calibers. Built with quality Otis components, this kit includes caliber-specific brushes, rods, mops, and patches to thoroughly remove fouling and debris, helping preserve accuracy and reliability. Compact and durable, it's ideal for regular cleaning at home, at the range, or in the field.