40835 Out Utility Gun Brsh Set Made of the highest quality materials Hunting gun Cleaning supplies Another quality Bushnell product Stainless Steel bush for aggressive cleaning of non-blued surfaces Phosphor Bronze for heavily-used blued metals Nylon for delicate parts and wooden surfacesgreat for checkering and other carved parts A combination of rough and gentle brushes to scrub any type of surface Clean the tinest of debris from your gun