Otis Technology Mongoose Dual Technology Cleaning Brushes are the quick-clean dual-function cleaning brushes that work great for impromptu weapon maintenance at home or on the range. Otis Technology has combined two steps of weapon maintenance into one by combining a brass brush with a cotton swab to form one tool. Breech-to-Muzzle cleaning methodology in one step by using a Otis Tech Mongoose Brush and Swab on your weapon. Tufcor proprietary wire on these cleaning tools resists corrosion and powers through the toughest buildup for a quick, agile clean that takes substantially less time to use than multi-step cleaning kits. With a standard 8-32 thread, Mongoose cleaning brushes fit on most standard cleaning rods..