It's also available in 2 mm and 10 mm sizes

pH-neutral

Ink: uni Super Ink

Cardboard model of the New York subway

these Sharpie Ultra Fine Permanent Markers are a great choice for most marking projects

on the run otr 006 soultip empty squeeze marker 6mm Rois It's also available in 2Empty OTR. 006 Soultip Squeeze Marker from On The Run, that you can fill with ink, lacquer ink or liquid acrylic paint. The marker itself is made from soft plastic, so that the flow of your lines is easily controlled. The see through body makes it easy to see which colour it is, and how much is left. The pen is equipped with a 6 mm tip that can be changed if needed. Check out all pens and inks from On The Run right here.