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Pens and Pencils | Reviews and Data

Uni

Which Pens Are Sold In The Most Sizes?

If you want to use the same pen and ink combination in a number of sizes, what’s the best pen to choose? This is a niche question, but certainly an interesting one. This came up when we wanted to some pen longevity testing — testing out how long the ink in a pen will write — and we wanted to determine the impact on the writing tip size on how long a pen will write. The best way to do this is to get the same pen in as many sizes as possible… but which pen should we buy?

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5 Truly Exceptional Pen Refills

It’s rare that you are in the market for a pen refill, rather you are likely trying to buy a refill for a specific pen. Even so, here are some truly exceptional pen refills that are worth keeping an eye out for when you next need a new refill for one of your pens.

These are refills that simply make me happy each time I use them and surprise me with their quality when I revisit them. These are refills that are worth buying a pen so you have somewhere to put them.

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Uni Jetstream Ballpoint Pen

The Jetstream is one of the foundational pens in the category of modern Japanese pens. It’s a click retractable pen with a specially-formulated low-viscosity ballpoint ink. From the standard Jetstream knock-style office pen grew an entire category of pens with this excellent ink.

This pen is the standard Uni Jetstream, and is known by the maker, Mitsuibishi Pencil as the “Jetstream Standard.” There are dozens of related models — Jetstream Prime, Jetstream Premier, Jetstream Stylus — but this is the standard model. Even this comes in a large number of variants and colors, which we’ll get into.

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