the pen takes standard Pilot BLS-G2-7 series refills

One night a week

Body: solid aluminum barrel with airtight cap

That's what separates it from a standard fineliner and makes it the choice for architects

Available in up to 72 colors including standard

on the run otr 009 s superflow empty squeeze marker 18 mm Alfe the pen takes standard PilotThe OTR. 009 S Empty Superflow squeeze marker comes with an 18mm round nib and empty squeezable body. The body is slightly firmer than other squeezers, giving you more control over paint flow. Unscrew the lid, pop out the nib, and fill it with any OTR refill Soultip paint, marker paint, Hard To Buff ink, Flowpen ink, whatever you're running. Squeeze pressure controls your flow. Press hard for heavy output, ease up for thinner lines. Also works with