Bronze Brush Caliber .12

Bronze Brush Caliber .12 from Hoppe's are quality brushes with standard 8/32 thread. The bronze brush effectively removes lead and copper coatings. The phosphor bronze wires are soft to prevent damage to the pipe but are still durable for long use. Nylon brushes are excellent for applying weapon care products with. Recommended for aggressive copper solvents that attack the bronze brush threads. Thread Type: 8/32