Edding 1880 Drawliner Pens and Set | BLICK Art Materials
Amazon.com: edding 1880 profipen - black - 10 pens - line width 0.5 mm - fineliner pen for precise writing, sketching and technical drawing - fine, metal-encased nib - suitable for use with rulers and stencils : Everything Else
4-piece Black Drawliner Pen Set @ Raw Materials Art Supplies