The Chef’sChoice commercial sharpening line uses proprietary diamond abrasives specifically built for heavy duty usage. They stay sharp three times longer than conventional abrasives, so you can sharpen at a higher level of efficiency without wasting time or blades. Our advanced design means fast sharpening! 3 - 5 strokes will put a perfect edge on your knives. Unique safety features make our commercial sharpeners a smarter choice than traditional water stones - no water, no mess, no worries. Chef'sChoice delivers the ultimate in cutting performance.