ZIG Cartoonist Pen Nib series (G-pen, School-Pen, Maru-Pen and Saji-pen) will give a wide range of lines and ink flow to suit your personal drawing style. Great for detail work in Manga and cartoons. Ideal for drawing thin lines. Mainly used for drawing details such as hair, folds of clothes or the inside of eye pupils. 2 nibs in each pack