There are a few areas with bark inclusions, but they are not noticeable when writing. Please understand that this is a testament to having survived the harsh natural environment. Also, the color may darken due to oxidation. Ballpoint pen conversion is possible. With ballpoint pen hardware, the weight will increase by approximately 5g. If you wish to convert, please let us know in the comments. ↓Ballpoint Pen Details↓ Refill: Schmidt P-900F Standard: G2 Wood Type: Honduras Rosewood Hardware: KATO202 (supervised by Koubou Setsuri) Width (max): Approximately 14.4mm Total Length: Approximately 136.8mm Weight: Approximately 29g Finish: Kinu Oil ☀︎Details ・To make it easy to hold, the shape is designed to be most expanded slightly closer to the nib than the center. ・The wood is sanded with progressively finer sandpaper, up to 600 grit. This creates a moderate luster, allowing you to enjoy the natural texture and aroma of the wood. ・The surface is cut repeatedly while checking to ensure there are no irregularities. ・Kinu oil is used for the finish. The main ingredient is rice-derived, tasteless, odorless, and gentle on the skin. ・By alternating the sanding direction vertically and horizontally, the sanding marks are made less noticeable. ★Honduras Rosewood (Burl) A hardwood of the legume family, genus *Dalbergia*, native to Central and South America. Also known as: New Jacaranda It is one of the hardest and densest woods among many 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, etc., since ancient times. Burl It is rare because it can only be obtained from limited parts of trees, such as the trunk and roots. The causes of burl formation are said to be the entry of insects, injuries, diseases, typhoons, etc., which damage the tree, and the abnormal proliferation of cells during the repair process, as well as genetic factors. Various patterns appear, such as swirls, ripples, and eye-like grains.