Restore your most reliable knife with this handy, easy to use Chef's Choice 465 commercial manual knife sharpener. A quick two stage sharpening process to polish and sharpen your hardest working knife. Stage 1 sharpens the knife with the diamond abrasive wheels and stage 2 hones and polishes the edges to create a razor sharp definition using 100% diamond abrasive. It is safe for all knives (straight edge and serrated knives) to be used in a commercial kitchen or household. This product measures 60 inches tall, 9.5 inches wide, and 16 inches deep. Designed for Western edge 20 degree class knives.