Size: 210×73×22mm Finishing whetstone after sharpening with a coarse whetstone and a medium whetstone. For the final finishing of knives using an extremely fine-grained abrasive. It is a recommended whetstone with a very good sharpening feeling, very easy to sharpen, and a good edge. There is no need to soak it in water before use, and it can be used immediately after adding water when you want to use it.