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Customer Reviews

Average Customer Review
 4.4 (43 customer reviews)
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June 16, 2012
Really nice pen. Smoothest...
Really nice pen. Smoothest gel-ink pen I have ever written with. So smooth, that I found it a little hard to control, which resulted in somewhat sloppy writing. Still, rich, dark lines, without feathering is something to be admired.
Tested on 90g Clairefontaine paper.

June 11, 2012
Best pen ever. Writes...
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Best pen ever. Writes as smoothly as High tech ones but has stronger tip and it won't break or sucked in.

April 5, 2012
I've tried them ALL and...
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I've tried them ALL and this is my favorite pen. Period.

1 person found this helpful
March 15, 2012
Amazing pens for the...
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Amazing pens for the price

Smooth, consistent ink flow, dark ink, no feathering (like felt-tip liners, e.g. the micron), i also highly recommend the 0.28mm for finer details, as well as the Zebra Sarasa (0.3mm.)

February 8, 2012
This is my absolute favorite...
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This is my absolute favorite pen. I picked up a bunch without much consideration when I lived in Japan a few years ago. After a few months, I realized just how amazing they were. It was the first time I had ever said to myself, "wow, what a great pen." Then after moving back to the states I realized they were impossible to find outside of Japan. Not even art supply stores had them. I finally found them on Jetpens-what a godsend!

They're the best!

January 5, 2012
I will admit, I have...
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I will admit, I have been a Pilot fangirl for a very long time. It wasn't until I became bored with my typical Pilots that I decided to venture out. And boy am I glad I did! I will admit without reserve that I am very quickly becoming a complete fan of the Signo line. I've never been a big fan of needle points and was slightly disappointed that the smallest non-needle point offered by Pilot was a 0.38. After branching out to other manufacturers, though, I'm finding plenty of alternatives. Now if only I could make a UM-151 fit my Pilot Cavalier...

December 29, 2011
This is my first one...
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This is my first one of a few pens purchased from I heard of this site on a podcast. I am a long time Pilot G-2 fanatic because it's what is sold here in retailers(USA). The Pilot G-2 was the best I knew, but they normally always carry the 0.7mm which is a bit too large. After reading many reviews, I decided to try the Uni-ball Signo DX UM-151 in black in sizes 0.28, 0.38, and 0.5mm. I am very pleased. They write very smoothly compared to my Pilot G-2 0.5mm pens. Also, if the fact that the ink does not bleed with water, it makes them that much better. Of course people will probably argue that taking off a cap is too time consuming but, to be honest, I think it keeps the tip from drying out much better than retraction. I also purchased a few other Uni-ball products and I am hooked on Uni-ball. I work in the manufacturing sector, and everything I see from Uni-ball is high quality, at very reasonable prices. Thanks jetpens, now I'm hooked and will never buy from office depot or staples again. :)

October 7, 2011
Excellent pen...I was...
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Excellent pen...I was originally unsure of whether to buy this pen or the 0.28mm version. I am glad I chose the 0.38mm thickness because it's very thin (but not too thin) and doesn't skip. It writes clearly with sharp precision, and the pen itself feels comfortable to write with. Black pigmentation is good and doesn't appear faded.

August 3, 2011
The pen was everything...
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The pen was everything i could have hoped for. It writes perfectly.

June 9, 2011
First things first: The...
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First things first:
The pen writes incredibly smoothly and the tip is a lot more durable when compared against other lines such as the popular Pilot Hi-Tec-C.
The rubber grip makes extended writing a little more bearable, but it is not all that effective, and I feel that the grip is placed a little too high for my writing style.

Now the problem:
No matter how orders of this pen I make, the pen begins to skip after merely a few days of usage. I try my hardest to avoid getting anything stuck within the tip of the pen to cause any skipping, but the problem seems to be inevitable and it's quite a nuisance. It's a huge problem, so it detracts one point from my review.