Get professional results at home with this three-stage knife sharpening sharpening system. Sharpens kitchen and sporting knives, even Santoku knives to a razor sharp edge. Adjustable blade selector provides the optimum sharpening angles. Select thick for hunting knives, medium for chef's knives and standard kitchen knives, and thin for light blades like fillet and paring knives. Stage 1 begins the sharpening process with a Sapphirite** coarse-grinding wheel to create the proper angle. Stage 2 continues sharpening with a Sapphirite* medium-grinding wheel that gives the blade a precision edge. Stage 3 completes the process with an extra-fine-grit ceramic wheel that polishes the blade to an exact, razor-sharp edge. Presto* Professional EverSharp* three stage electric knife sharpener 120 volts AC Stock No. 08810 *"Presto" and "EverSharp" are registered trademarks of National Presto Industries, Inc. in the United States of America and/or other countries.