The Definitive Guide to Pen Refills

Find Your Pen Refill

Look at the logo on your refill and Search by Brand.

Measure your refill’s length and Search by Length.

Check out our Refill Tips if your pen refill is not flowing properly or at all. Our Guide to Line Widths details how our database and refill makers label their refills. Our Ballpoint vs. Gel vs. Rollerball Guide explains the different pen, refill, and ink technologies that are available. If you have your refill, ink cartridge, or ink converter in front of you, check out our Ballpoint Refill Guide, Rollerball Refill Guide, Ink Cartridge Guide, and/or Ink Converter Guide to find replacements.