Brownells .38 Special/.357 Cal #8-32 Male Double-Tuff Bore Brush, Pack of 3

The brass coupling, along with the one-piece, looped and wound brass shank, is designed to deliver a powerful scrubbing action. This is achieved through the use of extra-thick, kinked phosphor bronze bristles, which are essential for effectively removing stubborn debris and fouling. Phosphor bronze bristles, known for their superior conductivity and corrosion resistance, are engineered to optimize performance in demanding electrical and mechanical applications Brass, looped and wound shank Compatible with 8-32 internal threaded components