The first of its kind, the eFECT weapons maintenance tool was created for the distinct purpose of cleaning and maintaining an AR15/M4 variant firearm. With direct input from US military personnel, each component has been thoughtfully designed. Introduced in 2008 at the Association of the United States Army convention (AUSA), the eFECT Weapons Tool was created for the distinct purpose of cleaning and maintaining an AR15 / M4 variant firearm. Developed with direct input and feedback from US Military personal deployed globally, the eFECT incorporates components that make field cleaning faster and more precise. It's compatible and interchangeable with the Otis cleaning components such as brushes, scrapers, picks and rods. At the range or on patrol, the eFECT is still a go-to weapons maintenance tool for the rifleman. Features Interchangeable Tool Component: OTIS Nylon end brush Patented Saf-T-Lock Flat Driver Scraper Interchangeable Tool Component: OTIS Curved Pick Punch Scraper Made in the USA Limited lifetime warranty