This new sharpener is designed to put a factory sharp, precision edge on all contemporary Asian style knives, Chinese style cleavers and the thinner, traditional single-bevel or double bevel style Japanese blades100% diamond abrasives in both Stage 1 and 2 Hones and polishes each side of the knife blade separately at 15 degrees High precision electrometric angle guides eliminate all guesswork Safe for high quality knife brands Dimensions 100(h) x 200(w) x 10