Sharp knives are functional knives, and they're safer, too. Keep your knives sharp and safe with a 2-stage Wusthof Knife Sharpener. This manual sharpener features a carbide section for setting a sharp edge on dull blades and a ceramic section to finely hone and finish. Perfectly sharpens all straight-edged knives and kitchen shears. Easy-grip handles and a flat base secure the sharpener while in use. This is one maintenance tool no kitchen can do without.