Artline Technical Drawing System Pens for Drafting, illustrating, and Graphic Design. Polyacetal Resin nib delivers precise smear resistant writing line.

Available in a variety of writing widths, 0.05mm, 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm and 0.8mm.

Black Ink.

Friction proof nib enables you to draw a consistent writing width. Metal reinforced collar nib is suitable for ruler and template work without causing any nib damage.

Acid Free Water based Pigment ink.