The Iosso Eliminator Rifle Bore Brush features premium cobalt blue fiber construction specifically designed for 6.5mm/.265 caliber rifles with superior cleaning performance.Iosso Eliminator Rifle Bore Brush - 6.5mm/.265 CaliberCobalt blue fiber construction - thicker and stiffer than brass or bronze brushesAllows back and forth cleaning action for thorough bore cleaningWound tighter with more fiber per inch than standard brushesReusable design - can be used multiple times before wearing outCompatible with Iosso Bore Cleaner and Triple Action SolutionRemoves copper lead plastic wad and carbon fouling effectivelyPerfect for rifle maintenance this premium brush drastically reduces cleaning time while delivering an exceptionally clean bore. The trademarked cobalt blue color ensures you won't mistake it for other brush types during your cleaning routine.