Rollerball Gel Ink Pens Smooth Writing
- 0.5mm tungsten carbide roller ball is similar as diamond, let your writing fluent and smooth, make the pen durable and long lifetime.
- Stable neutral ink makes your writing smooth and durable, quick drying, no ink skipping and leaking, won’t permeate and overspread the paper.
- There is a transparent window to observe the capacity of ink, it is convenient to prepare a backup before the ink use up.
- choosing a selection results in a full page refresh