Designed from the ground up to do a better and faster job of cleaning guns real avid smart brush features 8 super scrubber brushes with integrated scrapers.Its micro bristles stay rigid under pressure providing superior scrubbing power.Four unique brush shapes with integrated scrapers are designed to specifically clean hard-to reach interior and exterior surfaces where carbon and gunk accumulate.Quantity: 8 Per PkgBristle Type: Bronze/NylonLength: 5.50"Material: PlasticProtects: Removes Carbon/Copper/Dirt/Lead/Plastic