Lavoda 1000&4000 Grit Knife Sharpening Stone Combination Corundum Whetstone for Kitchen Santoku Knives ,Dual-sided with Waterstone Holder CORUNDUM-----Natural high grade corundum stone materials remove the least amount of metal while polishing your edge to razor sharpness. POLISHING-----Double-sided sharpening design (1000 grit: For a sharpness that is even better than from the factory. 4000 grit: Suitable for achieving razor-sharp knives). SECURITY-----The whetstone is stabilized by a silicone anti-slip frame that prevents accidental sliding with potential hand injury during knife sharpening. SHARPENING-----Well suited for sharpening a wide range of hard steels used in woodworking tools, chisel,kitchen knives,scissors,and,straight razors, and all types of steel tools.This is a compact stone,The size also makes it a good choice for those who value portability, such as caterers, campers and fishermen. ATTRACTIVE-----Our sharpening stone exports to Japan, Germany and some other countries,high quality and easy to make your knife become sharp. Since we have these stones specially manufactured for LAVODA, we are able to offer them to you at a very attractive price.  Best sharpening stone --- A Christmas Gift for Your Husband.