Uni-ball Signo RT1 UMN-155 Gel Ink Pen - 0.38 mm - Blue Black

Uni-ball Signo RT1 UMN-155 Gel Ink Pen - 0.38 mm - Blue Black

$2.50
In stock and ships within 1 business day.
4.0 (14 reviews)
DescriptionSpecificationsFrequently Asked Questions
With their Signo RT1 pen, Uni-ball unveils an innovative tip design. The tip is rounded and edgeless to reduce friction against the paper, resulting in a super-smooth writing experience. Mirroring that smoothness is the simple body consisting of a clicker with clip, and a rubber grip that blends almost seamlessly into the barrel.
Model NumberUNI UMN15538.64
Weight0.4 ounces
ManufacturerUni
Body Color Dark Blue
Body Material Plastic
Clip Material Plastic
Clippable Yes
Color Set No
Diameter - Grip 10.6 mm
Diameter - Max 10.9 mm
Grip Color Dark Blue
Grip Material Rubber
Ink Refillable Yes
Length - Extended 14.0 cm
Length - Retracted 14.1 cm
Mechanism Retractable
Pre-Installed Ink Color Blue Black
Tip Length 4.8 mm
Tip Material Metal
Tip Size 0.38 mm
Tip Type Conical
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Frequently Bought Together

Uni-ball Signo RT1 UMN-155 Gel Ink Pen - 0.38 mm - Blue Black - UNI UMN15538.64
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Uni-ball Signo RT1 UMN-155 Gel Ink Pen - 0.38 mm - Black - UNI UMN15538.24
Total Price: $5.00
This item: Uni-ball Signo RT1 UMN-155 Gel Ink Pen - 0.38 mm - Blue Black - $2.50

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Customer Reviews

Really excellent tip,...
March 11, 2013
Verified Purchase
Really excellent tip, pleasant writing experience for 80 percent of the length of the pen - the problem lies in the RT area. Once it's clicked into place, the button is loose and rattles as you write. This is even more annoying than it sounds.
3 people found this helpful
mikedenight
These pens are the smoothest...
March 5, 2015
Verified Purchase
These pens are the smoothest writing of the micro gel pens that I've tried. They make using a small Doane Utility notebook as a bullet journal possiblem since with these you can write in each block of the grid.
1 person found this helpful
eli.g.anthony
Pen writes well and is...
April 10, 2013
Verified Purchase
Pen writes well and is smooth. Have no problems with the loose top and would buy again. This is a quality workhorse.
1 person found this helpful
Pencil Snob
Not only does this pen...
March 12, 2013
Verified Purchase
Not only does this pen rattle, I find it very scratchy to write with. Unfortunately I am one of those people whose handwriting is highly affected by the smoothness of a pen. With this pen I write like a first grader. I hope this gives you an idea of the scratchyness we are talking here. I can imagine a person who does not put a lot of weight on the pen while writing and who likes fine lines might enjoy this.
1 person found this helpful
I am a fan of .38 mm...
July 13, 2015
Verified Purchase
I am a fan of .38 mm pens, and I love that this pen has a large cartridge. After a few weeks of use it started to skip a little. I will continue to use this pen, but not sure if I would order it again.
annie.johnson143
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