Cleaning a firearm has never been faster or easier. Hoppe's 1-2-3 Done! cleaning kit contains everything needed to cleanse and protect a firearm in three simple steps. The kit contains Hoppe's legendary No. 9 Gun Bore Cleaner, the patented BoreSnake bore cleaning tool, a bottle of lubricating oil, and easy-to-understand photo directions. Swab the barrel, add a few drops of Hoppe's No. 9 Lubricating Oil and the gun is ready for storage. It really is as easy as 1-2-3. This kit is suitable for .40 caliber pistols.