Get professional results at home with the Presto EverSharp Knife Sharpener three-stage knife sharpening system. Select thick for hunting knives, medium for chef's knives and standard kitchen knives, and thin for light blades like fillet and paring knives. !-- split --Adjustable blade selector provides the optimum sharpening angles. Sharpens kitchen and sporting knives, even Santoku knives to a razor sharp edge.