【Description】 This is a sale of the wooden pen shaft only, made from Yakusugi, a prized Japanese timber. This wooden shaft features a highly unusual grain pattern, even among Yakusugi burls, and the wood itself is quite hard. You likely won't find a grain pattern like this very often. 【Compatible Hardware】 Compatible with KATO201 and 202 from Kato Metal Industries. 【Finish】 Beeswax finish 【Notes】 Please understand that this is a handmade item, so minor scratches or imperfections are to be expected. Thank you.