Zweissen Diamante 2-Stage Diamond Grit Knife Sharpener Professional two-stage sharpening mechanism with both diamond-coated steel and ceramic sharpening pucks Creates double-beveled, razor-sharp edges that last up to twice as long as a regular edge Bi-directional sharpening wheels allow Diamante to be used right-or-left handed Wheel sharpening creates a long lasting and sharp edge Non-slip rubber base, Wide, easy-grip handle, Small footprint makes storage and use a snap