Effective cleaning: The McJ Tools Bronze Bore Brush Set effectively cleans 22 Caliber firearms, removing dirt, grime, and residue for optimal performance. Durable construction: Each brush in the set features a high-quality brass core with bronze bristles, ensuring durability and longevity. Convenient pack: With a pack of 20 brushes, this set provides you with plenty of cleaning tools to maintain your firearms over an extended period of time. Versatile use: The brushes can be used on a range of firearms, including rifles and pistols, and are suitable for both professionals and enthusiasts. Easy to use: The brushes feature a threaded end, making them easy to attach to cleaning rods and use in conjunction with cleaning solutions.