Uni-ball Signo UM-151 Gel Ink Pen - 0.5 mm - Black

Uni-ball Signo UM-151 Gel Ink Pen - 0.5 mm - Black

$2.50
In stock and ships within 1 business day.
4.7 (15 reviews)
DescriptionSpecificationsFrequently Asked Questions
Uni-ball Signo UM-151 gel ink pens, also known as Signo DX, 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 UM15105.24
Weight0.4 ounces
ManufacturerUni
Body Color Clear
Body Material Plastic
Clip Material Plastic
Clippable Yes
Color Set No
Diameter - Grip 10.2 mm
Diameter - Max 10.2 mm
Grip Color Black
Grip Material Rubber
Ink Refillable Yes
Length - Capped 13.8 cm
Length - Posted 15.2 cm
Length - Uncapped 13.1 cm
Mechanism Capped
Pre-Installed Ink Color Black
Tip Length 4.3 mm
Tip Material Metal
Tip Size 0.5 mm
Tip Type Conical
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Customer Reviews

Excellent gel ink pen,...
April 28, 2013
Verified Purchase
Excellent gel ink pen, among the best and includes a rubber grip. Very good dark black color.
1 person found this helpful
ryoji kezu
Love these. Like others,...
July 29, 2009
Verified Purchase
Love these. Like others, I thought the Hi Tec .05mm was going to be my fave (writing and journal work for me) but this is the best yet. Very comfortable and great flow without being too heavy and no bleed through. Blue black is a wonderful color, I'll be trying the brown-black next!
1 person found this helpful
jasonwrites
The best ...
August 28, 2015
Verified Purchase
The best
Blackhorse
Perfect....
August 5, 2015
Verified Purchase
Perfect.
jnandersson
Great pen, but just a...
July 6, 2015
Verified Purchase
Great pen, but just a little bit off for me (an "extreme" lefty with very convoluted writing posture from growing up with right-hand-only school desks) because of the low angle with which I approach the paper. Held at a higher (more vertical) angle -- uncomfortable for me, but probably correct for most people -- this pen is great. For "low-angle" people like me, try the Pentel EnerGel series, which seem to have greater (and easier) ink flow. I've been using 05 on cheap paper, but now that I'm buying better paper from Jet Pens will try a smaller point.
Ronald Gordon
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