Medium-coarse (Grit 800) whetstone hones knife edges</br>Useful for dull and damaged blades</br>Requires submersion in water before use</br>8-1/8 inches long?? 2-3/4 inches wide?? 1-1/4 inches thick</br>Honing instructions and diagrams included</br></br>Product Description</br></br>Unlike Western man-made stones?? water rather than oil is used on Japanese stones to prevent the surface from being clogged with m