Brush Pen Fudenosuke set of 10 colours. The Fudenosuke brush pen has an elastic brush tip and is especially suited for calligraphy, sketchnotes, hand lettering, doodling and much more. Hard tip is especially suited for small letterings and embellishments. Waterbased ink with colour pigments. Odourless. Colours: 03 yellow, 07 green, 15 blue, 18 purple, 22 pink, 25 red, 28 orange, 31 brown, 33 black, 49 grey.