A significant number of bore brushes are utilized in the shop as compared to those sold, prompting the packaging of these custom-made, high-quality brushes in bulk packs for enhanced convenience and cost-effectiveness. The shank is constructed as a single piece, looped and wound, rather than being two twisted pieces cut off. Stainless steel bore brush - for bores that are severely leaded, fouled or rusted, the robust cleaning action of a stainless steel brush can effectively aid in cleaning. However, this aggressive action may accelerate wear and, with regular use, can reduce barrel lifespan. Precision-engineered steel, meticulously looped and expertly wound to form a robust shank structure Compatible with 8-32 internal threaded components