Perfect for upgrading your sharpening system or replacing used stones. Our accessory hones can be used with all Gatco sharpening systems. All Gatco sharpening hones have an integral guide rod holder with easy-out for use, easy in for storage sliding guide rod. Made with 96% alumina ceramic, Gatco's ultimate finishing hone is the finest hone ever produced and provides surgical finish to your final cutting edge. Ergonomically designed hones with longer, wider stones than competitive models sharpen edges quickly, while safety rails protect finger tips.