USED: Japanese Natural Sharpening Stone, Hard Amakusa- 2179 g Middle grt
Area - Amakusa, Kyushu. This Amakusa stone is relatively hard. It'a good idea to start sharpening with your knife, chisel, other edged tools. Weight - 2179 g. Hardness - 7 (1 to 10 scale). Height - 70 mm.