Naniwa Whetstone Fixer / Flattening Stone #220
Naniwa are regarded as one of Japans best whetstone manufacturers. This extra coarse flattening stone is ideal for flattening stones that have become dished through use. To use the stone you first soak it for at least 10 minutes, using the side with the channels you place it upon your dished stone and use circular movements applying pressure, periodically you should rotate the stone you are flattening to prevent it becoming lopsided.
Size:170mm X 55mm X 30mm