Gas filled plotter pen

Gas filled plotter pen, suitable for:

Lasercomb (90 mm. / Ø 5)
Elcede plotters (76 mm. / Ø 5), Ink remains always under pressure,

This results in a stable continuous ink line.

A71.001 Ball pen Black 90 mm. 5 mm.
A72.001 Ball pen Black 76 mm. 5 mm.