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From the perspective...
January 29, 2011
Verified Purchase
From the perspective of a university student, this pen is excellent. From working out mechanisms in organic chemistry to just simply writing (notes or essays), this pen does an outstanding job.

Compared to the Uni-ball Signo RT UM-138 (0.38), this pen is better built, has a slightly more comfortable grip, has a much larger volume of ink, and writes with the same "thinness" (but with a darker black). The RT's black ink always have looked faded to me and they all definitely run out of ink way too rapidly or even a mediocre writer/drawer/whatever.

The RT has the "clicker" ability (which I originally wanted this pen to be and would buy another one if it were a "clicker") but the cap removal process isn't a big deal. I've actually started to like the look of the cap and the way it snaps on makes it feel like it's a high class pen.

Overall, this pen is one of the best that I've used.
7 people found this helpful
A marvelous everyday...
September 1, 2011
Verified Purchase
A marvelous everyday pen. This pen is my favorite. I have been ordering other pens to try them out and I always end up coming back to this one. I have gone through 11 of these pens so far and plan to continue using them. Some may find the line too thin, but I like it. The rubber grip seems to wear out and get a bit loose over longer periods of time (after replacing the inkwell once or twice). The cap also becomes a touch loose over a similar time period. I always put two or three of these on any Jetpens order I make. At the risk of making these pens be out of stock more frequently, I would recommend this pen to anyone looking for a hardworking, high quality, everyday pen.
5 people found this helpful
i bought this pen expecting...
March 28, 2014
Verified Purchase
i bought this pen expecting to be able to ink drawings for watercolor since it said it was waterproof, but this pen smears SO easily i'm incredibly disappointed.

also, as others have said, the ink flows out of the pen very smoothly, but the actual design of the pen makes it a bit uncomfortable to write with. it may just be that it's a bit wider than im used to
3 people found this helpful
The best everyday pen...
June 11, 2011
Verified Purchase
The best everyday pen sold by JetPens. Can be used for writing and for drawing. Waterproof. Mitsubishi (Uni Ball) makes fantastic products. My favorite brand.
3 people found this helpful
A bit too narrow for...
July 30, 2015
Verified Purchase
A bit too narrow for my hands and feels scratchy on the paper. I think I like .5s better, so if you like thinner pens it's not a bad choice.
these are great to write...
July 20, 2015
Verified Purchase
these are great to write with!
One of the best quality...
July 15, 2015
Verified Purchase
One of the best quality pens; definitely will buy again.
Excellent pen, ink flows...
July 7, 2015
Verified Purchase
Excellent pen, ink flows better than it's 0.28mm version from my experience. This is probably my favorite gel pen that I used recently, really great for writing and sketching. The ink doesn't seem to be waterproof. The rubber grip is a nice touch and feels nice, but I can see it getting loose after a few months of use.
The pens are fine. I'd...
July 7, 2015
Verified Purchase
The pens are fine. I'd just like to see the same pens with a pushbutton mechanism.
This is a very good thin-lined...
July 3, 2015
Verified Purchase
This is a very good thin-lined pen.
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