Tombow Fudenosuke Brush Pen GCD-112 82039, Soft Tip, Black Ink, Black Pen Body. Fudenosuke Soft Tip Brush Pen features a flexible brush tip for different writing and drawing techniques. Create extra-fine, fine or medium strokes by a change in brush pressure. Great for calligraphy and art drawings. Each brush pen includes a template for positioning Kanji lettering.Barrels are made of recycled polypropylene plastic. Soft tip – water-based, pigmented black ink. Odorless. Non-refillable.