Tachikawa Linemarker A.T Sketch Pen 0.1 mm has a nib ideal for comic and manga artist. The entire pen body is a simple plastic barrel with a window to see the ink level. The pen barrel can hold two ink cartridges normally the same size of standard fountain pen cartridges, but a thicker to hold more ink. 

This Linemarker uses superior water-resistant, fade-proof, Fast drying and light pigmented ink. The nib is quite hard, non-inflexible, stiff and fine with no sketchiness ended with a small ball. The pen can draw 0.1 mm line width approx. 400 meters in one cartridge.

The pen is available in 3-line widths- 0.1 mm, 0.3 mm and 0.5 mm.