Protect your investment in fine Shun cutlery and keep your edges razor-sharp with this combination whetstone. If your knife is quite dull, this combination whetstone is a good choice. One side offers 400-grit sharpening that will quickly remove material from the edge, helping you put a new edge on the knife and restoring sharpness. The other side, the 1000-grit stone, will smooth and finish the edge. This whetstone must be thoroughly soaked before sharpening
