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: Indian Rosewood Hardware: KATO202 (supervised by Kobo Setsugi) Width (max): Approximately 14mm Total Length: Approximately 136.8mm Weight: Approximately 26g Finish: Kinu Oil ☀︎Details ・The shape is designed to be easy to hold, with the widest part slightly closer to the nib 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 aroma of the wood. ・The surface is 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 is gentle on the skin. ・The sanding is done alternately vertically and horizontally to make the sanding marks less noticeable. ★Indian Rosewood A hardwood of the genus Dalbergia sissoo (also known as Shisham or Indian Rosewood) Also known as: Sisso, Genuine Rosewood Considered to be of the highest quality among rosewoods. It is very hard and dense among various types of wood. It contains a lot of oil, and polishing it creates a jewel-like luster. It has been used for musical instruments, ornaments, furniture, and more since ancient times.