Thank you for viewing! This item is a Hawaiian Koa curly ballpoint pen made with Kato Metal 201, supervised by Kobo Setsuri! It can also be changed to a 0.5mm mechanical pencil. It can also be changed to KATO202. Gold +1000 yen Black +300 yen Please refrain from purchasing if you are looking for perfection, as this is a handmade item. The thickest part is approximately 12.2mm. Weight: 27g A wood cube is also included. As the name suggests, it is a legume and acacia tree native to Hawaii. Because of its water-resistant properties, it was used for canoes and surfboards in the past, and is now treated as a top-grade material for ukuleles and other guitar materials. It is a rare wood that has recently been export-restricted for protection. In addition, "Koa" in Hawaiian means "courage and warrior." *Please refrain from price negotiations as we are selling at a low price. Please be sure to read the profile.