Rollerball Gel Ink Pens Smooth Writing

  • $0.27
    Unit price per 

  • 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.