Uni SXR-600 Jetstream Ballpoint Pen Refill vs Pelikan 4001 Fountain Pen Ink

  • Great for pen and paper enthusiasts
  • Jetstream SXR-600 refill is a great option
  • Comes in a variety of colors
  • Easy to use
  • Great for old-school ink
  • Medium to dark black
  • Water soluble
  • Works in any pen
  • Picky pens not a problem

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