On The Run's Superflow Squeezers have a nylon tip that can withstand a little more and gives a nice flow. These pens have a 10mm round nib and are filled with On The Run OTR.902 Marker Paint, an alcohol-based lacquer paint that has a glossy finish when dry. The pen is refillable and you can also buy new nibs. See all pens and products from On The Run here.
