The Pen Refill Guide
The definitive guide to pen refills allows visitors to search by brand or length of their ballpoint, rollerball, or ink cartridge refill.
Guide to Ballpoint Pen Refills - The Pen Refill Guide
A guide to lengths, shapes, and standards of ballpoint refills currently available on the market.
Search by Length - The Pen Refill Guide
Measure the length of your pen refill. Choose that length below to find the correct refill for your pen.
Guide to Rollerball Pen Refills
Guide to Rollerball Pen Refills Below you will find, in order from longest to shortest, the various rollerball pen refill profiles (unique sizes and shapes) that can be found in our database.
Guide to Line Widths (Stroke Weight) - The Pen Refill Guide
Pen refills often come in various line widths or weights. The Pen Refill Guide uses a standard for designating available weights (if known) of various refills in the database.
Guide to Fountain Pen Ink Cartridges - The Pen Refill Guide
Below you will find, in order from longest to shortest, the various fountain pen ink cartridge profiles (unique sizes and shapes) that can be found in our database.
A.T. Cross - The Pen Refill Guide
Their multifunction pens take a standard D1 refill. Otherwise, the only refill that is close to a standard is their C1 ballpoint, which is slightly shorter than the official ISO standard length.
Search by Brand - The Pen Refill Guide
Take a look at the brand logo on your refill. Choose the brand below to find the correct pen refill.
Zebra - The Pen Refill Guide
Zebra Zebra is a Japanese maker of consumer level pens and other writing instruments. Most of their pens take proprietary length and shape refills. Just look for the letter/number on the refill …
Schmidt - The Pen Refill Guide
The vast majority of third party pen makers ship their pens with appropriate size Schmidt refills. These refills are often rebranded with that maker’s logo and part numbers.