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: Guyana Rosewood Hardware: KATO202 (supervised by Koubou Setsuri) Width (Max): Approximately 13.5mm Total Length: Approximately 136.8mm Weight: Approximately 29g Finish: Kinu Oil ☀︎ Details ・The shape is designed to be most comfortable to hold, with the widest part slightly closer to the tip than the center. ・The wood has been sanded with progressively finer grits, up to 600 grit. This gives it a moderate sheen, allowing you to enjoy the natural texture and aroma of the wood. ・The surface has been carefully cut and checked repeatedly to ensure it is free of imperfections. ・The finish uses Kinu Oil. This oil is derived primarily from rice, is tasteless and odorless, and gentle on the skin. ・The sanding is done alternately vertically and horizontally to make the sanding marks less noticeable. ★ Guyana Rosewood A hardwood from the genus Machaerium of the Fabaceae family. Rosewood from countries located in and around northeastern South America. It is a very hard and dense wood. It contains a lot of oil and develops a gem-like luster when polished. It has been used for musical instruments, ornaments, furniture, and more for a long time.