Type: Yonashiro (Yunaa) Material: Island Black Wood Color: Light Red Sunchee Karakuri: Plum-shaped (handmade) Body: High-quality genuine leather, one-piece construction Body Material: Handmade Chagi (Podocarpus macrophyllus) Body Binding: Left Royal Crest (Blue) Non-stretching thread, red: Hand-woven Thank you very much for viewing this product. This is a Yunaa type made from Okinawan black wood. Although mostly shirata (sapwood), there are black cores and beautiful patterns in places. The lacquer work was done by Mr. H, the number one craftsman in Okinawa. The leather tension is about 7-8. If you are interested, please leave a comment.