TACHIKAWA Nikko G-Pen Nib x 10
TACHIKAWA NG-10It is a pen tip that allows you to draw the thickest line among the pen tips, which makes it easy to add strength and weakness to the line. It takes some getting used to to get the strength of the line as you want.
The strength of the line (strong is thick line, weak is thin line) means that you can write thick line or thin line properly depending on the angle of the pen tip and the pressure applied
Usage: Manga characters and effect line