1 / 4uni-ball Signo UMN-155-07 0.7 mm Multicolour Gel Rollerball Pens, Pack of 12
Pack: The uni-ball Signo UMN-155-07 is a retractable gel rollerball pen set with 12 different coloured pens and a 0.7 mm tip. Its multicolour ink and fine-point format suit colour-coded notes, study and everyday writing.
At a glance
- Retractable format for quick use and storage between writing tasks.
- The listing claims a 0.7 mm fine tip and a Uni-Flow ink system for consistent flow.
- Water-resistant and fade-resistant pigment ink is claimed. The listing also describes it as smudge-resistant.
- Manufacturer contents specify 12 different coloured pens.
Often bought together
Pros and cons
Pros
- A 12-colour set supports colour-coded notes, planners and revision without buying colours separately.
- Retractable design avoids a separate cap to remove or replace during everyday use.
- Customer feedback mentions vibrant colours and smooth ink flow.
Technical specifications
19 specifications| Brand | uni-ball |
|---|---|
| Model | Uni-Ball Signo UMN-155-07 |
| Pen type | Roller Ball Pen |
| Writing technique | rollerball, gel ink |
| Line size | 0_7mm |
| Point type | Fine |
| Closure | Retractable |
| Ink colour | Multicolor |
| Ink base | Water |
| Grip | Contoured |
| Handedness | Ambidextrous |
| Recommended uses | Writing, Note-taking |
| Water resistance listed | Water Resistant |
|---|---|
| Material listed | Cardboard |
| Dimensions listed | 14.5 x 13 x 1 centimetres |
|---|---|
| Weight listed | 0.1 Kilograms |
| Item diameter | 1 Centimetres |
| Age range | Adult |
|---|---|
| Country of origin | Japan |
What’s in the box
Included- 12 different coloured pens
Who is it for?
A good fit for
- Students and note-takers who want several ink colours in one set.
- People who prefer a retractable gel rollerball for everyday writing, journaling or office notes.
Less suited to
- Buyers who need a single ink colour or a specifically confirmed waterproof ink specification.
Customer reviews on Amazon
- 5 stars
71% 71% - 4 stars
9% 9% - 3 stars
9% 9% - 2 stars
0% 0% - 1 star
11% 11%
Customer feedback highlights perceived good quality, vibrant colours and smooth, flowing ink. This aligns with the set’s stated multicolour format and gel rollerball design, which may matter for colour-coded writing. The ratings are mostly five-star but include some one-star ratings, so experiences are not uniformly positive and the available aggregate does not explain why.
Positive themes
- Customers describe the pens as good quality.
- Customers appreciate the vibrant colour selection.
- Ink flow is described as smooth and flowing.
Frequently asked questions
How many pens are included?
The manufacturer contents list says 12 different coloured pens, and the title describes a pack of 12.
What is the tip size?
The title and feature copy specify a 0.7 mm tip. The technical details separately list the point type as Fine.
Is the ink water-resistant?
The listing labels the ink water-resistant and describes it as fade-resistant pigment ink. These are listing claims, not independent verification.
Are the pens retractable?
Yes. The listing identifies the pens as retractable.
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