Speedy and hassle-free! Swiftly switch between grits on Tri-Brasive sharpening stones and effortlessly change one rod for another without interrupting your work. Perfect for serrated knives, utilize the small fine ceramic rod for a sharp finish. This all-in-one knife sharpening tool lets you choose from various grit options to reprofile an old blade or craft a polished edge on your favorite knife. Achieve custom edges with ease!