Uni-ball Signo UM-100 Gel Pen - 0.5 mm - Red

Uni-ball Signo UM-100 Gel Pen - 0.5 mm - Red

In stock and ships within 1 business day.
4.3 (3 reviews)
DescriptionSpecificationsFrequently Asked Questions (1)
Get all the colors for the popular Uni UM-100 pen line!

Known for its smooth flowing ink and its writing performance, the UM-100 pens are top notch pens hidden in an economical body form.

Refills available!

Frequently Bought Together

This item: Uni-ball Signo UM-100 Gel Pen - 0.5 mm - Red - $1.65
Total Price: $4.95

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Customer Reviews

Amazing pen for the ...
August 10, 2015
Verified Purchase
Amazing pen for the price!
When they work, they...
November 28, 2012
Verified Purchase
When they work, they work great but ink flow can be iffy. Most of the time tapping it straight down on a scratch pad several times gets it going again. Also, have to give ink 2 or 3 seconds to dry before touching.
April 20, 2011
RED RED AND RED. This is a great pen for 0.5 mm. It doesn't smear if you give it like 4 seconds or so. Smoothness wise I think it's not ubber (yes, I said ubber) smooth and the flow of ink is good/okay, but not the best. The barrel is very simple plastic barrel. This pen is a pen worth buying thought.(: