Otis' Bore Brushes have a proprietary Tufcor core wire that is corrosive-resistant and has a tighter twist for better bristle retention with twice the fill of other brushes with bristles right to the end. Each brush features the size stamped on the stem and color-coded core wire to easily identify the brush size.
These bronze brushes come in a reusable snap-pack case and is for .22 - .45 caliber firearms.