The CaliberShoppes .338/8mm Bronze Cleaning Brush is specifically designed for rifle bore maintenance with bronze bristles that effectively remove lead buildup and fouling.CaliberShoppes .338 cal./8mm rifle cleaning brushBronze bristle construction for durability and effectivenessStout bristles designed for efficient cleaningMost effective on lead fouling removalCompact dimensions: 0.50 X 1.75 X 4.90 inchesEssential for maintaining accuracy and performance of .338 caliber and 8mm rifles this bronze brush provides the perfect balance of cleaning power without damaging your barrel's rifling.