You will find that the brushes produced by OTIS will give you many times the life of most brushes. Each 2 pack contains one bronze and one nylon bore brush. Our caliber-specific brushes are color-coded and have the size indicated on the stem, ensuring you grab the right brush every time. Otis brushes have a proprietary Tufcor® core wire that is corrosive-resistant and has a tighter twist for better bristle retention and brush life - plus twice the fill of other brushes with bristles right to the end. With Otis brushes you get superior quality and precision cleaning. Rifle/Pistol Bore Brushes available in .22-.50 cal., Shotgun Bore Brushes available in .410-12 gauge. Brush- .30 Caliber Cleans- 30, 30-06, 30-30, 300 Win. Mag., 303, 308, 32, 7.62MM, 8MM Thread Size- 8-32 Brush Length- 2"
