We're sure you're wondering what the deal is with tungsten carbide, and why you'd want a sharpener made with this material. Legions of knife makers and enthusiasts have been converted to tungsten carbide because of its unparalleled performance in sharpeners like this one. Tungsten carbide is denser than both steel and titanium, which means that it can mold the edges of your stainless steel and carbon steel knives with ease. Since it's so much harder than those materials, it can tame dull edges into submission with just a few strokes. Just use a stone to fine-hone your knife afterward, and it'll be as good as new! Features: Tungsten carbide sharpener. Rubber over-molded handle for greater comfort and better gripping. Grit: Coarse. Size: 6 in. Type: Handheld.