Shodo (Japanese Calligraphy) and Tenkoku (Seal Carving) Tools: Inkaku (Seal Positioning Ruler) Length and Width: Approximately 80mm x 140mm Thickness: Approximately 10mm - This ruler is used to position seals when applying them to calligraphy and painting works, and also when applying a second impression. * No box, stored at home for a long time. It has been used and cleaned, but some ink residue remains. * Sold as is, as shown in the photos, so returns and exchanges are not accepted.