Patented, precision-engineered, multi-angle, flip-over knife clamp. Sharpening hones on color-coated, finger-grooved safety holders. One guide rod for each honing stone. Specially formulated honing oil. Extra long knife clamp screws Custom molded storage/carrying case to hold all system components. Complete easy-to-follow multi-lingual instructions. Includes: extra coarse diamond hone, coarse diamond hone, medium diamond hone, fine diamond hone.