Zweissen Sh&auml;rfsten 2-Stage Diamond Grit Manual Knife Sharpener - Chrome 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 Schrfsten to be used right-or-left handed Wheel sharpening creates a long lasting and sharp edge (Directions for use included on the packaging) Non-slip rubber base, Wide, sturdy stainless steel handle, Small footprint makes storage and use a snap