Obecome Deluxe 5-Stone Sharpening System Kit Deluxe 5-stone knife sharpening system for kitchen, outdoor, hobby, or garden knives Includes extra-coarse, coarse, medium, fine alumina oxide, and extra-fine ceramic hones Controlled-angle sharpening system with 17-, 20-, 25-, and 30-degree angle options Color-coded stones with finger-grooved safety holders; formulated honing oil bottle Includes precision-engineered knife clamp and custom-molded storage/carrying case