The Sinclair International dozen pack nylon pistol brushes are designed for precision cleaning of .22 Cal pistol bores. Each brush in the pack features a #8-32 male thread, ensuring compatibility with standard cleaning rods. Constructed with durable nylon bristles, these brushes provide effective removal of fouling and debris without damaging the bore surface. The pack includes 12 brushes, offering extended use and convenience for regular maintenance. Ideal for both professional gunsmiths and firearm enthusiasts, these brushes ensure optimal performance and longevity of your firearm.