Ballpoint pen conversion is possible. If using ballpoint pen hardware, the weight will increase by approximately 5g. Please let me know in the comments if you would like this option. ↓Ballpoint Pen Details↓ Refill: Schmidt P-900F Standard: G2 Wood Type: Olive Wood Hardware: KATO202 (supervised by Kobo Setsu) Width (Max): Approximately 13.8mm Total Length: Approximately 136.8mm Weight: Approximately 26g Finish: KINUKA Oil ☀︎Details ・The shape is designed to be easy to hold, with the widest part slightly closer to the tip than the center. ・The wood is sanded with grits ranging from coarse to 600. This creates a moderate shine, allowing you to enjoy the natural texture and scent of the wood. ・The surface is carefully cut and checked repeatedly to ensure it is free of imperfections. ・The finish uses KINUKA oil. The main ingredient is derived from rice, is tasteless and odorless, and is gentle on the skin. ・By alternating the sanding direction (vertical and horizontal), the sanding marks are made less noticeable. ★Olive Wood Olive wood is a hardwood from the Oleaceae family. It has a high oil content and is resistant to stains. It will gradually change to a more subdued brown color with use.