This is a wooden shaft pen from 73Labo, a twist-action ballpoint pen. It's a resin pen made from tulip tree (a deciduous tree in the magnolia family) wood. It has only been used for test writing since I purchased it. #Nohara Kougei #Kobo Setsu #Craft A #Kobuta Kobo #Flamberg #Bonan Pen #Kinmokusei