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: Koyamaki (Japanese Umbrella Pine) Hardware: KATO202 (supervised by Koubou Setsuri) Width (Max): Approximately 14.2mm Total Length: Approximately 136.8mm Weight: Approximately 23g Finish: Kinu 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, creating a moderate sheen and 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 Kinu Oil. The main ingredient is rice-derived, tasteless, odorless, and gentle on the skin. ・The sanding is done alternately vertically and horizontally to make the sanding marks less noticeable. ★ Koyamaki (Japanese Umbrella Pine) An evergreen coniferous tree. A very unique tree, the only species in its genus. It is said to be the most rot-resistant wood in the world. In mythology, Susanoo instructed that it be "used as a coffin," which demonstrates the unique properties of this wood.