Automatic Ink Grinder: Kobaien Runrun ・Operation confirmed. ・As shown in the photos, there is some dirt on the main unit, etc., but I think it can still be used. The items for sale are all shown in the photos. A new ceramic plate (last photo) is included. Two-brush ink grinder It can withstand long hours of use and can produce a maximum of 180cc of ink at once. The height of the inkstone surface can be adjusted, allowing for grinding in three stages: approximately 60cc, 100cc, and 180cc. For Japanese ink, it grinds 180cc in about 60 minutes. The inkstone surface uses a ceramic slice. Even if the inkstone surface wears down, you can continue to use the product by sharpening the ceramic plate with a whetstone.