Uni-ball Signo RT UM-138 Gel Ink Pen - 0.38 mm - Pink

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4.2 (5 reviews)
Uni Signo RT gel ink pens contain water-based pigment gel ink and feature a retractable 0.38 mm gel ink roller ball pen, rubber grip, and a steel point for strength.

Super practical and affordable, the Signo RT pens have been a long time tried and true favorite of JetPals.

Model NumberUNI UMN103.13
Weight0.4 ounces
Body Color Pink
Body Material Plastic
Clip Material Plastic
Clippable Yes
Color Set No
Diameter - Grip 9.6 mm
Diameter - Max 10.6 mm
Grip Color Pink
Grip Material Rubber
Ink Characteristics Waterproof
Ink Refillable Yes
Length - Extended 13.8 cm
Length - Retracted 13.9 cm
Mechanism Retractable
Pre-Installed Ink Color Pink
Tip Length 4.4 mm
Tip Material Metal
Tip Size 0.38 mm
Tip Type Conical

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Customer Reviews

nice ...
October 17, 2014
Verified Purchase
First off, I'm biased...
November 24, 2010
Verified Purchase
First off, I'm biased -- I ONLY write with the UM-138 Gel 0.38 mm pens (yeah, I know how that sounds, and yeah, I am a bit OCD, what can I say?). So I already love everything about the body of the pen (grip, shape, clicker, etc.). In terms of the color of the ink in this particular pen, I adore it. I write neurotically small, and I love underlining and making notes in books. This pink color is like a highlighter, but without the annoying swath of color that a regular marker produces. I love this pen. I love this color. The only downside is that for some reason the pink ink tends to ball up at the tip of the pen, leaving behind a small blotch of ink every now and then. This doesn't happen with the other colors.
Color is not as nice...
August 17, 2010
Verified Purchase
Color is not as nice as the Zebra Sarasa 0.4 in light pink or Morning Glory Mach II. This pink tends to be going more toward a coral which was surprising to me since the body is so pink and a nice shade of pink at that. Oh well. I may give it away.
1 person found this helpful
Smoothness: okay Precision:...
November 8, 2009
Smoothness: okay
Precision: okay
Weight: light
grip feeling: okay
cushion: solid

Overall: Okay. I personally prefer Pilot G-Knock Retractable Gel Ink Pen - 0.38 mm
for better grip and better nonslip feature of the cushion.
My favorite color is...
November 28, 2007
Verified Purchase
My favorite color is pink and i really like the color of this pen. It writes pretty good.