Uni-ball Signo UM-151 Gel Ink Pen - 0.38 mm - Blue Black

$2.50
In stock and ships within 1 business day.
4.8 (25 reviews)
DescriptionSpecifications
Uni-ball Signo gel ink pens are known for their smooth writing and exceptional ink quality. And, to everyone's delight, there is a sea of colors and tip sizes to choose from. Find the perfect pen for any task, whether it's writing meticulous notes, marking your calendar, or decorating your scrapbook with colorful captions.

Everything about this pen, from its solid construction to its carefully-formulated ink, ensures a wonderful writing experience. The sturdy tip does not bend or break, even with heavy-handed use. The pigment-based ink flows smoothly and is waterproof, fade-resistant, and feather-resistant. Much of that is due to special viscous properties of the ink. The ink is viscous while in the barrel, but as it passes through the pen tip during writing, the viscosity drops. This results in smooth ink flow. Immediately after it hits the paper, the ink returns to its viscous state, which prevents feathering. You are left with beautiful clean lines that you can enjoy for a long time!

Model NumberUNI UM151.64
Weight0.4 ounces
ManufacturerUni
Body Color Clear
Body Material Plastic
Clip Material Plastic
Clippable Yes
Color Set No
Diameter - Grip 10.3 mm
Diameter - Max 10.3 mm
Grip Color Dark Blue
Grip Material Rubber
Ink Characteristics Waterproof
Ink Refillable Yes
Length - Capped 13.8 cm
Length - Posted 15.3 cm
Length - Uncapped 13.1 cm
Mechanism Capped
Pre-Installed Ink Color Blue Black
Tip Length 4.4 mm
Tip Material Metal
Tip Size 0.38 mm
Tip Type Conical

Frequently Bought Together

Uni-ball Signo UM-151 Gel Ink Pen - 0.38 mm - Blue Black - UNI UM151.64
+
Uni-ball Signo UM-151 Gel Ink Pen - 0.38 mm - Black - UNI UM151.24
+
Uni-ball Signo UM-151 Gel Ink Pen - 0.38 mm - Bordeaux Black - UNI UM151.60
Total Price: $7.50
This item: Uni-ball Signo UM-151 Gel Ink Pen - 0.38 mm - Blue Black - $2.50

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Customer Reviews

I find the 0.38 mm version...
August 18, 2010
Verified Purchase
I find the 0.38 mm version to be a sweet spot of fine, concise lines and ease of writing. The blue black ink is a fantastic alternative to the usual black but still professional in appearance to be used in a business setting.
5 people found this helpful
This is the sweet spot....
May 21, 2012
Verified Purchase
This is the sweet spot. The .38mm is not too thing or too bold. I found .4 to be too thick and .3 to be too thin. 0.38mm seems to be the sweet spot.

Also, as far as the color, its just the right amount of blue where it doesn't hurt your eyes but its enough blue to distinquish it from black.

Its the best!
4 people found this helpful
The perfect everyday...
March 21, 2013
The perfect everyday pen for jotting down songwriting ideas in my pocket Field Notes. A great combo for remembering ideas, phrases, etc. rather than trusting my memory or slips of paper. Great for journal books too, which I use to flesh out lyrics. The ink flows fluidly smooth, lays down a nice fine line with no scratchiness. I love these pens, almost as much as my fountain pens. Maybe more because I use them everywhere.

I started with green-black; which still has not run out of ink, even though I've used it every day for almost a year! I have since bought more; green-black, blue-black, bordeaux-black and brown-black. The black ink tones down the colors - they have become my signature pens. The only problem is that folks tend to "borrow" them. But at this price I can easily afford to buy as many as I need.

BTW - As an old-school songwriter I really love to put pen to paper. I buy all my writing tools from JetPens. You could say you guys rock, literally.
2 people found this helpful
these pens are my pride...
June 9, 2006
Verified Purchase
these pens are my pride and joy. ever since i accidentally stumbled upon one a few years back, i was hooked......to the point where i absolutely refuse to use any other pen. NO JOKE. my boyfriend thinks i have an unhealthy obsession with the pens, but i gave him a set to test out and he seems to be secretly enjoying them himself as well....=D

PEOPLE, you have to invest in one to see for yourself.
2 people found this helpful
I love this pen! I first...
March 15, 2006
I love this pen! I first purchased one of these pens while studying in Hong Kong, and was impressed with the efficient, durable design. But when I got back to the States, I couldn't find the pens or refills anywhere. I stumbled across this site, and ordered a big box so I wouldn't run out again.

The tiny carbide steel ball (0.28 and 0.38 mm) means less ink is wasted compared to the American Signo line. At the same time, it writes as smoothly as a regular gel pen. My only regret is that I can't purchase them in bulk.
2 people found this helpful
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