Hailed by many as the holy grail among gel pens, the Uni-ball Signo gel pen line is lauded for its legendary archival-quality ink and also continuous smooth flow. With tip sizes that array from 0.28 mm to 1.0 mm and also a vivid array of colors to pick from, it"s revered by pen lovers all over. Keep analysis to learn what sets the Signo acomponent from other gel pens.

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Ink

The viscous formula behind the gel ink is what sets the Signo acomponent. As the ink passes through the tip of the pen, its viscosity is lessened by the rotating ball to enable smooth creating. When the ink touches the paper, it returns to its original viscosity to prevent feathering and bleeding. The pigment contained in the ink is water resistant and light resistant, so you have the right to gain your occupational for a long time.


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"Edgeless Tip"

Some retractable pens in the Signo line function a creative guideline architecture, referred to as the "edgeless pointer." Instead of a typical cornered pointer, RT and RT1 pens" tips are rounded to minimize friction versus the paper. This permits them to glide effortlessly across the web page.


The product lines under the Uni-ball Signo brand deserve to be break-up right into capped or retractable. There are also slight variations in factors such as grip material, length and weight of the pen, and so on.
PenNameLengthDiameterWeight
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UM-15113.6 cm10.3 mm0.40 oz
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UM-151 Needle13.6 cm10.3 mm0.40 oz
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UM-10015.1 cm9.8 mm0.40 oz
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Broad UM-15313.9 cm11.3 mm0.40 oz
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RT UMN-10313.9 cm10.6 mm0.35 oz
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RT1 UMN-15514.1 cm10.9 mm0.39 oz
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20714.2 cm11.5 mm0.35 oz
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30714.2 cm11.5 mm0.60 oz
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Erasable15.6 cm9.3 mm0.30 oz
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Angelic UM-120AC15.5 cm9.8 mm0.40 oz
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Sparkling15.6 cm9.8 mm0.45 oz
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Noble Metal15.6 cm9.8 mm0.45 oz

Uni-ball Signo product lines feature a vast array of tip sizes: 0.28 mm, 0.38 mm, 0.5 mm, 0.7 mm, 0.8 mm, and also 1.0 mm. At one point, the legendary Signo Bit UM-201 in the 0.18 mm guideline size was additionally available, but has actually given that been discontinued. Some product lines market more tip sizes, while others only sell one. Although all Uni-ball Signo pens compose effortlessly, the larger the guideline size, the smovarious other the composing.
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The Uni-ball Signo pens have a whole range of colors you can select from. Different product lines offer various colors and also finishes. While some of the names of the colors are the same throughout the product lines, there are slight distinctions in between a few of the colors. We sorted the various product lines into Writing and Craft lines. The creating samples for the Writing lines are in the table listed below, while the samples for the Craft lines are in their very own sections even more down this short article.
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With their comfortable grips and balanced weight, these fine-tipped Signo DX pens are excellent for daily creating. They are available in a substantial variety of colors, however we"re particularly smitten with the off-babsence colors (Environment-friendly Black, Bordeaux Black, and also Lavender Black) only offered in the 0.38 mm reminder size. They"re the perfect alternate to simple old black ink. In Japan, these pens are well-known as the Signo UM-151.
Available in 11 colors, the Signo Needle Gel Pens create through too much precision and also are dependable for artists and developers who work-related via fine details. The 0.38 mm needle-allude reminder, though very thin, feels even smovarious other to create with than the UM-151‘s 0.38 mm size. The Needle Gel Pens are fairly equivalent to UM-151 pens however have the right to be distinguished from their siblings by a white needle style published on the barrel.
These Signo UM-100 pens are for civilization who simply require it to compose well. Going ago to the basics via their stripped down, economical body, the UM-100 pens offer normal writing colors in 0.5 mm as well as 2 metallic colors in 0.8 mm for crafting (more details below). You deserve to usage the normal colors for taking notes in course or at work, and also use the other colors for scrapbooking and other projects.
For those that like writing via wider pen, the Signo Broad UM-153 is accessible in a variety of colors in a bold 1.0 mm. The ink is very opaque and also does not skip as you create. The 5 conventional colors are excellent for writing and suitable choices for those that uncover the smaller Signo reminder sizes also scratchy. This line includes among our many popular pens, the white Signo UM-153, which we talk about even more listed below.
For those who can not be bothered via a cap, we recommend the retractable Signo RT pens. Extremely lightweight, these pens are comfortable to hold and also usage. They lug a little more of weight toward the optimal of pen wright here the clicker is, so you might have to change your grip accordingly. Regardless, they lug the exact same Signo gel ink for a smooth composing endure. They additionally feature the "edgeless" pointer we mentioned previously that allows the pen to glide across the web page whil you write.
Anvarious other retractable choice, the Signo RT1 pens have a basic body architecture through a rubber grip that blends in via the barrel. Slightly broader than capped Signo gel pens, the Signo RT1 is nevertheless light and also basic to host. Pens marked with UM-155C denote that they hold black ink with an extraordinary body shade. These pens have actually the "edgeless," rounded tip that reduces friction against the paper as you create.
The Signo 207 pens have actually slightly larger pointer sizes, appropriate for people who gain composing via a thicker line. Great for legal and also main papers, the 207 line has actually been used in plenty of inspect washing demonstrations to prove its prowess in adhering to paper. The trick is Uni-ball"s distinct gel ink formula that is likewise uncovered in other Uni-ball gel pens in darker colors such as black, blue, red, and also purple. The ink consists of tiny color pigments that acquire trapped within the paper fibers, making them basically impossible to remove.

If you have a solid grip, think about the Premier 207. It likewise has actually 207 gel ink and also comes via a squishier rubber grip for extra comfort.


The Signo 307 pens are smooth, skip-complimentary delights to use for composing quick notes, whether you’re in a organization meeting or class lecture. They have actually a various ink formula than various other Signo pens in that they contain special cellulose nanofiber innovation (CNF). CNF is currently being emerged as an eco-friendly alternate to steel, whose manufacturing requires a good amount of carbon emission. Used as a thickening agent in the pens, it increases the smoothness of the ink so that the pens reprimary skip free also once you compose rapid.
If you gain the colorful look of gel pens yet are at risk to making mistakes, try Signo Erasable Gel Pens. The ink contains fine transparent pwrite-ups that proccasion larger pigment pposts from penetrating paper fibers. The ink does not quickly rub off of paper but will certainly fade when you apply an eraser to it—either a constant pencil eraser or the pen’s own eraser will certainly occupational fine. You might notification that the ink will not totally erase. Signo Erasable Gel Pens are finest for erasing small mistakes below and also there as opposed to lengthy blocks of text.

See more: What Is The Difference Between Gradualism And Punctuated Equilibrium


The Signo UM-151 is available in these shiny metallic shades, in addition to the standard colors for writing. It functions well on both light and also dark paper. The 0.7 mm pointer size makes it suitable for including small details or also writing big chunks of eye-recording text.