BigOne® in the unfilled version.
Fill with your choice of ink from the RefillOne range - or mix your own colours!
The sky is the limit!
Technical details: Material: PP/PE water-based ink, refillable wedge nib, line width 6-12 mm
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Have started to do more drawings on whiteboards so wanted to be able to use the larger pens with the whiteboard ink. This was not a standard option, but with this empty pens I made myself a set and they work really well and provide that ability to line and support the use of the Bikablo approach on a whiteboard.