System. Includes one each of the following Arkansas Sharpening stones: soft (300 grit equivalent), hard (650 grit equivalent) and black hard (1,200 grit equivalent). Sharpening system comes with precision multi-angle, flip-over knife clamp with rubber-padded jaws to prevent scratching; sharpening stones on color coded fingergrooved safety holders; one guide rod for each stone; specially formulated honing oil and extra long knife clamp screws. Sharpening angles include 17°, 20°, 25° and 30°. Black custom molded storage/carrying case holds all. Includes complete easy-to-follow multi-lingual instructions.