Brownells Standard Line Bronze Bore Brushes are sold in a 12/pack bulk for convenience and cost efficiency.
These brushes feature a one-piece, looped and wound steel shank for durability and are made with high-quality phosphor bronze wire for effective cleaning.
The 28 Gauge Shotgun Bore Brush has an overall length of 2-7⁄8 inches and uses a 5⁄16"-27 thread for compatibility.