The Sinclair International dozen pack bronze rifle brushes are precision-engineered cleaning tools designed specifically for .20 Cal rifles. Each brush in this pack of 12 features a #5-40 male thread, ensuring compatibility with a wide range of cleaning rods. Constructed from high-quality bronze, these brushes provide effective and thorough cleaning of rifle bores, removing fouling and debris to maintain optimal firearm performance. The durable construction ensures longevity and repeated use without compromising the integrity of the brush or the rifle bore. Ideal for both professional gunsmiths and firearm enthusiasts, this pack offers a reliable solution for maintaining the cleanliness and accuracy of .20 Cal rifles.