The book recommends that the pen plus purchases cannot be purchased separately.

PIGMA micron 04 generation pen Is a recommended book about writing Features: high saturation, ink water resistance, light resistance, not easy to dizzy, easy to dry Suitable for drawing lines, writing notes, illustrations, original creation, suitable for plate making, drawing important documents I hope that it will be more convenient for newcomers who are not convenient to go to the bookstore to find a pen. (This area is a purchase area, please do not order alone.)