Unsharpen

Pens and Pencils | Reviews and Data

How To Clean Fountain Pens

Fountain pens are great, but the cleaning is, to put it lightly, a chore. Maintaining and caring for fountain pens takes time, and even if you don’t baby your pens their water-based ink still runs out more quickly than a ballpoint or rollerball. Want to change ink color? That requires a cleaning too.

So cleaning comes with the territory, but what’s the right way to do it?

Continue reading “How To Clean Fountain Pens”

Parker 51 vs. Parker 21: What’s The Difference?

The Parker 51 is one of the most famous pens of all time. Even today, over 50 years after this fountain pen first went on sale, the pen is sought after by collectors and mint models can go for hundreds of dollars. The Parker 21 looks almost exactly like the Parker 51, but sells for a fraction of the amount.

What’s the difference between these two vintage fountain pens?

Continue reading “Parker 51 vs. Parker 21: What’s The Difference?”

Rotring 600 vs Rotring Newton Comparison

Rotring 600 vs Newton

The Rotring Newton is often confused with the older, more desirable Rotring 600. Both are great pens and they are remarkably alike, but they are distinctly different models and while the Newton echoes the design of the 600 it is not a Rotring 600. Sorry to say it, but there is no “Rotring Newton 600,” that’s just something people write in auctions.

Does any of this matter though? Are we just splitting hairs? Or is there a real difference between the Rotring 600 and the Newton pens. Let’s find out.

Continue reading “Rotring 600 vs Rotring Newton Comparison”

How to Test Fountain Pen Ink

Few people would argue that one of the main draws to fountain pens is the amazing variety of inks on offer. This selection can quickly go from an allure to a curse when the paradox of choice sets in and you are presented with literally hundreds of shades of blue, all of which are relatively affordable and easy to access.

If you don’t quit fountain pens right at that moment you are presented with an interesting dilemma: how can I test inks? Taking things to their logical conclusion, we here at Unsharpen further asked, “How can we test fountain pens inks cheaply, efficiently, and accurately?”

Here’s what we’ve found…

Continue reading “How to Test Fountain Pen Ink”

Pilot Iroshizuku Fountain Pen Ink Review

Pilot’s Iroshizuku is a line of high quality fountain pen inks. They are some of the best priced, best performing inks sold today, but with 24 inks in the line it’s hard to try them all.

Well, we bought all the inks and are going to review the full family below, with commentary on each of the 24 Pilot Iroshizuku fountain pen inks.

Continue reading “Pilot Iroshizuku Fountain Pen Ink Review”

What’s The Deal With Kaco Pens?

There is a good chance that some time in the past year you’ve run into a pen made by Kaco. Despite a general unfamiliarity with the company, they are been making many rather good pens lately.

So… who is Kaco, where are they based, what’s their website? We had many questions and wanted to learn the basics about this pen company, whose pens we’ve been enjoying for some time now.

Continue reading “What’s The Deal With Kaco Pens?”

  • Follow


  • Recent Posts

  • Pens

  • Refills

  • Pencils

  • Ink

  • Paper

  • Accessories