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Colorado Pen Refill University

Ballpoint refills

Did you know that 90% of all ballpoint pens use the widely accepted ‘Parker Style’ refill body shape? Almost every brand accepted this as the ‘ballpoint standard’ about fifty years ago. 

Forget your pen’s brand -if a Parker Style ballpoint refill is what fits your pen, then you can choose from three ink technologies; the old standard oil-based ink, GEL ink, or Liquid Ink. This is the ink that a rollerball refill uses which is referred to as ‘liquid’ ink. It is what gives the fluid feel to rollerball refills and is as close to a true fountain pen ink as you will get in a ballpoint shaped refill.

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There are several brands which use a refill shaped exclusively for just their pens

Color and point choices are often limited by these brands so we also offer a wide selection of choices from Monteverde the leader in refill choices. Uniquely shaped ballpoint refills:

Rollerball refills

The world’s most commonly fit rollerball refill is the ‘Schmidt 5888’.  Of all the rollerball pens sold world-wide - 70% of the refills sold are this shape. 

Take a look at the top and bottom of your refill, this is how you can verify the shape needed to fit your pen. 

Color and point sizes expand. The originator, Schmidt, only offers one point size in three colors. Monteverde has reproduced this refill shape in ten colors and three point size choices!

There are several brands which use a refill shaped exclusively for their brand

Color and point choices are often limited by these brands so we also offer a wide selection of choices from Monteverde the leader in refill choices.

Uniquely shaped ROLLERBALL refills:

Cross Fiber Tip Refill

$6.50

Fountain Pens

Whether you use bottles or cartridges, we have your ink! 

Almost every fountain pen we offer can use bottled ink. Just make sure the pens ships with an ink converter. If not, we’ll have one listed that fits perfectly as an option. 

We have various brands of ink to give you a diverse color choice as well as various formulations. Our best-selling bottled ink is our own in-house developed brand, Colorado Pen. This ink is formulated specifically to our specifications. The primary difference with our own ink is that the base liquid itself has proven properties to enhance flow and to be easier to clean the feed when changing colors or simply cleaning your nib and feed. 

Most all of our customers have tried and converted to the Colorado Pen brand of ink.

Pelikan Ink Bottle 62.5ml

$14.00

Waterman Ink Bottle 50ml

$12.00
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Fits: Acme, Bossert & Erhard, Caran d'Ache, Cartier, Colibri, Conklin, Conway Stewart, Delta, Dunhill, Faber Castell, Itoya, Jean Pierre Lepine, Jorg Hysek, Museum of Modern Art, Montblanc, Montegrappa, Monteverde, OMAS, Pelikan, Recife, Retro 1951, Rotring, Schmidt, ST Dupont, Stipula, Visconti, Waterman and more...

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Some brands will only accept their own uniquely shaped cartridge

Here’s a list of brands which require a unique cartridge: