Accu-Tech proudly brings to you high quality, durable cleaning products, designed for the rigors of repeated use on your beloved rifles and shotguns. Make sure you treat your firearms right when it comes time to cleaning and maintenance, and use Accu-Tech. Accu-Tech products are on par, if not better than other popular brands like Hoppes, Outers, and Gunslick at a better price! Includes 1x .40 cal gauge bronze bore brush suitable for use on firearms chambered in .40 S&W, and 10mm.