The Pro-Shot Products MPK38-45 is a comprehensive cleaning kit that includes a range of essential tools such as a rod, patch holder, patches, jags, brushes, and solvents. It is extremely effective when used with .38 caliber handguns.In addition to .38 caliber handguns, this versatile cleaning kit is also compatible and highly efficient with .45 caliber handguns. Ensure the longevity and optimal performance of your firearm with this all-inclusive cleaning kit.