1 / 6Uni-Ball uniball Deluxe Micro Rollerball Pens, 0.5 mm, Black, 3 Pack
Uni-Ball uniball Deluxe rollerball pens come in a three-pack with black ink and a 0.5 mm micro point. The fine tip is suited to compact writing and detail work, while the manufacturer describes its ink as water- and fade-resistant. Note that the listing also gives the barrel color as metallic gray and describes the pen as retractable in one field but capped in its product description.
At a glance
- 0.5 mm micro point and black liquid ink for fine writing and detail work.
- Three rollerball pens are listed as included.
- Manufacturer claims the ink resists water and fading and is designed to bond with paper.
Often bought together
Pros and cons
Pros
- Fine 0.5 mm point is appropriate for small notes, diagrams, and precise strokes.
- Pack of three provides multiple pens for a desk, bag, or shared use.
- Customer feedback reports crisp lines, smooth writing, and quick-drying, smudge-resistant ink.
Technical specifications
16 specifications| Brand | Uni-Ball |
|---|---|
| Model | uniball™ DELUXE |
| Pen type | Roller Ball Pen |
| Ink color | Black |
| Point | Micro |
| Line size | 0.5mm |
| Ink base | Water |
| Grip | Ribbed |
| Hand orientation | Ambidextrous |
| Closure type | Retractable |
| Barrel color | Metallic Gray |
|---|---|
| Body material | Plastic |
| Water resistance listed | Water Resistant |
| Additional feature | Ink Trapping Technology |
| Dimensions listed | 0.6 x 2.88 x 7.63 inches |
|---|---|
| Diameter listed | 2.88 millimeters |
What to know before buying
Listing details to confirm
Listing details are inconsistent: it describes the pen as retractable in the specifications but calls it capped in the product description. The title says black, while the listed barrel color is metallic gray and the description also mentions a matte black barrel. Confirm the closure and actual barrel finish in the selected listing. Water and fade resistance and ink-trapping performance are manufacturer claims, not independently verified here.
What’s in the box
Included- 3 rollerball pens
Who is it for?
A good fit for
- Writers who want a fine black line for compact notes, signatures, diagrams, or detail work.
- Buyers seeking a three-pen rollerball set with manufacturer-claimed water- and fade-resistant ink.
Less suited to
- Anyone who specifically needs a confirmed capped or retractable mechanism, or a clearly specified barrel finish, without checking the listing first.

Customer reviews on Amazon
- 5 stars
85% 85% - 4 stars
9% 9% - 3 stars
3% 3% - 2 stars
1% 1% - 1 star
2% 2%
Customer feedback highlights fine, distinct lines, smooth writing, quick drying, and resistance to smudging, with reports of lasting use. These qualities align with the listed micro point and the manufacturer's ink-protection claims, but customer impressions do not establish those claims. Ink flow is mixed: some report a consistent flow while others find it unsatisfactory, a consideration for sustained writing.
Positive themes
- Customers describe crisp, fine lines and smooth writing.
- Feedback notes quick-drying ink and resistance to smudging, including when wet.
- Some customers report long-lasting use.
Mixed feedback
- Ink flow is described as consistent by some customers and poor by others.
Frequently asked questions
What comes in the pack?
The manufacturer contents list specifies three rollerball pens.
What point size and ink color are listed?
The pens are listed with a 0.5mm micro point and black ink.
Are these pens retractable or capped?
The details list says retractable, while the product description calls them capped. The closure is inconsistent in the listing, so confirm it before buying.
What do customers report about the ink?
Customer feedback describes fine, strong lines and often smooth, quick-drying, smudge-resistant writing. Ink flow receives mixed reports, with some finding it consistent and others saying it does not flow well.

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