The Hoppe's 1306P Phosphor Bronze Pistol Brush is designed for thorough cleaning of .22 caliber pistols with durable phosphor bronze bristles that are most effective on lead buildup.Hoppe's 1306P Phosphor Bronze Pistol Brush.22 caliber compatibility10-pack quantity for extended usePhosphor bronze bristles built stout for efficient cleaningSpecially designed for lead removalSKU: 1306P UPC: 026285513936Essential for maintaining pistol accuracy and performance these brushes provide reliable cleaning power for .22 caliber firearms with superior lead fouling removal.