THE OTIS BORE BRUSH AND MOP COMBO PACK INCLUDES ONE BRONZE BORE BRUSH AND ONE COTTON BORE MOP. OTIS BRUSHES HAVE A PROPRIETARY TUFCOR CORE WIRE THAT IS CORROSIVE-RESISTANT WITH A TIGHTER TWIST FOR BETTER BRISTLE RETENTION AND BRUSH LIFE. WITH TWICE THE FILL OF OTHER BRANDS, THESE BRISTLES CLEAN EVERY PART OF THE BARREL AND THE HIGHLY ABSORBENT COTTON MOPS HELP THE BARREL SHINE.
