Wood Type: Keyaki (Japanese Zelkova), Premium Grade Please let me know your preferred ballpoint pen or mechanical pencil in the comments. Thank you for your cooperation. All wooden shafts are made from natural materials. There may be some minor imperfections or slight scratches from polishing. Any issues affecting writing performance, or very large scratches or inclusions, are corrected. Due to the use of natural materials, the appearance of the wood grain will vary depending on the lighting.