Three levels of sharpening create a superior, all-inclusive knife sharpener system for a razor-sharp edge. Three levels of high-grade sharpening stones on this Wusthof knife sharpener feature varying grit for both honing and sharpening blades. Professional all-in-one Wusthof honing and sharpening tool sharpens single- and double-edge blades, quickly restoring a razor-sharp edge. Coarse grit stone to remove worn edge. Medium and fine grits to set the edge. Firm, yet porous whetstone structure releases small particles during sharpening, to create an even finer edge. Includes compact bottle for water to re-wet stones while in use. Wood base with nonslip pads for stability. Easy to store. Made in Germany. Since 1814, knives bearing the Wusthof name and the Trident logo have been crafted in the world's "Cutlery Capital", Solingen, Germany. Today, in a state-of-the-art facility, that tradition of quality is ensured as old-world craftsmanship meets 21st century production methods.