Fudenosuke Calligraphy Pens, 10 pieces with a flexible tip for variable line width - from very fine to broad. Water-based pigment ink. All 10 colors in one set. Calligraphy pens with adjustable tip width. Suitable for calligraphy, lettering, sketchnotes, Zentangle, and much more. Ideal in combination with Tombow ABT Dual Brush Pens. Water-based with color pigments, odorless. Hardness level: 1 - suitable for small writing.