This is the Mitsukami mechanical pencil 1100, a Hon-Karin Koboku (Amboyna Burl) 0.5mm mechanical pencil. Karin Koboku refers to the burl wood harvested from a specific part of the Karin tree's roots, and has long been popular as a material for high-end crafts. It is extremely beautiful and valuable. Among them, Hon-Karin Koboku often has complex grain patterns, and above all, it has a sweet scent! This one has a very fine grain and is highly recommended♪ Unfortunately, the grain doesn't show well in the photos... Due to the nature of burl wood, there may be chips or dents. Please understand the material before purchasing. A wood cube will also be included. Maximum diameter: Approximately 13.0mm Weight: 33g Please read the profile for important notes, etc.