This Otis Technology cleaning system is specifically designed to clean and maintain M9 9MM pistols and sub guns. Now automatics can be cleaned correctly, from Breech-to-Muzzle, without disassembly. Flexible cleaning rods, panoply patches, and heavy duty bore brush easily strip the copper from bores. Special handle with scraper, pick and brushes clean the receiver, trigger group, and bolt. A comprehensive instruction booklet is included to help maintain flawless performance in mission critical situations. Everything is neatly packed in a 7oz., pocket size, softpack case.