Otis Brushes offer exceptional cleaning capability with their proprietary Tufcor core wire, known for its corrosion resistance and tighter twist. This unique design enhances bristle retention, ensuring a longer brush life. Specifically engineered to clean .22LR, .22-250, .223 caliber, and 5.56mm firearms, these brushes are essential for maintaining the precision and performance of your weaponry. Each brush is 2 inches long and fits 8-32 threads, making them easy to use and highly compatible with various cleaning kits. This set includes one nylon brush and one bronze brush, providing versatility to address different levels of residue and fouling in your firearm. With Otis Brushes, you can rely on thorough, effective cleaning every time, helping to keep your gear in top-notch condition and ready for your next adventure.