The "SPECIAL LINE"™ Brass Core Bore Brush is designed to protect high-performance barrels from scratches during cleaning, with a one-piece, looped and wound brass shank and no-scratch brass coupling.
It features high-quality phosphor bronze bristles for effective cleaning and extended life, tailored specifically for 20 Gauge shotguns.
This product includes a 12 pack of brushes, each with a 2-7/8" (7.3cm) overall length and a 5/16-27 thread, compatible with standard shotgun cleaning rods.