Kleen-Bore Phosphor Bronze, Brush, For 410Ga Shotgun, 5 Pack, Tube A183-5 Kleen Bore Designed These Precision Phosphor Bronze Bore Brush With a Rounded Smooth Bristle Tip. The Straight, Thick, Wire bristles Offer More Effective Cleaning Power. The Brush remains Thick And Stout And Will Not Easily Bend With Force Down The Bore. The Bronze Brush Is Designed specially To Not Damage The grooved Rifling. Features: - Carefully-Made, thicker, Straight Bronze Wire bristles - Designed With Rounded, Smoother Bristle tips - Safe And Effective Cleaning Power - Will Not Easily Bend - Will Not Damage Precious Rifling Specifications: - Fits: 410Ga Shotgun - 5 Pack - Phosphor Bronze