









🖋️ Write sharp, write smart — the pen that means business.
The Uni-Ball® Onyx® Rollerball Pen features a 0.5mm micro tip for ultra-precise writing, enhanced by Uni Super Ink technology that resists water, fading, and fraud. Its sleek black barrel is made from 73% post-consumer recycled plastic, combining eco-conscious design with professional performance. Ideal for detailed notes, legal documents, and creative projects, this pen offers a smooth, smudge-free glide and a visible ink window to ensure you never run dry.





| ASIN | B00006IE88 |
| Additional Features | Quick Drying |
| Age Range Description | Adult |
| Best Sellers Rank | #20,081 in Office Products ( See Top 100 in Office Products ) #62 in Liquid Ink Rollerball Pens |
| Body Shape | Round |
| Brand Name | Uni-Ball |
| Closure Type | Retractable |
| Color | Blue |
| Customer Reviews | 4.7 out of 5 stars 1,298 Reviews |
| Drill Point | Ultra Fine |
| Global Trade Identification Number | 00070530600414 |
| Grip Type | Ribbed |
| Hand Orientation | Ambidextrous |
| Hardness | F |
| Included Components | 1 Rollerball Pens |
| Ink Base | Water |
| Ink Color | Blue |
| Item Diameter | 5.63 Millimeters |
| Item Dimensions | 0.5 x 5.63 x 0.38 inches |
| Item Height | 0.38 inches |
| Item Type Name | Pen |
| Item Weight | 0.12 Pounds |
| Line Size | 0.5 mm |
| Manufacturer | uni-ball |
| Material Type | Plastic |
| Model Name | uniball™ ONYX |
| Model Number | 60041 |
| Pattern | Solid |
| Recommended Uses For Product | Writing |
| Style | 0.5 mm Micro |
| Theme | Cartoon |
| UPC | 070530600414 523160242719 801593363400 078667353326 799916370412 619730799155 012300904872 806792164711 641438163648 809302146672 823019777271 638458814292 030246600412 640206575898 |
| Unit Count | 1.0 Count |
| Warranty Description | Contact Manufacturer |
| Water Resistance Level | Water Resistant |
| Writing Instrument Form | Ballpoint Pen |
G**D
BEST PEN EVER, never leave home without one.
I love these pens, the pen quality is great, the ink is great for signing store receipts, where there what seems to be wax paper, I buy these pens by the box, because of the feel, the grip, ease of use, I keep one with me all the time, never leave home without one, great durability.
C**R
Good work pen
Always a good product.
B**S
want your writing to look better- use this pen!!
I love, love, love the way this pen writes- smooth ink spread with no bleeding, nice glide on paper, perfect size and plastic shaft is able to be gripped well by fingers with no added crap to help you keep your hold. And, true- my writing always looks better when I use this pen (really). its just so darn smooth and seems to last endlessly....I do all my work with it, my spouse uses it for grading papers, taxes and charts and my kids use it in school (when pen allowed). This pen won't disappoint.
D**G
Excellent writer; a bit short-lived
I write miles every day and have used many hundreds of this particular pen over the years. It is smooth, leaves a nice line, never leaks, starts consistently, and is a nice shade of blue (some "blue" pens are more like "blurple".) The ink doesn't smudge on plain paper, but takes a while to dry on coated paper, much like most other pens. Don't store these with the cap off or it'll dry out. I'd give 5 Stars if the ink lasted longer; I can drain one of these in about 5 days. The law firm for which I work buys the .7 tipped version of this pen by the truckload, but I prefer the .5 tipped Micro so I've taken to ordering them here.
S**9
Writes smoothly
The I’ll flows nicely, it’s comfortable to hold, and it’s fade proof.
T**T
Good purchase
My favorite pen.
T**R
Pens
Great service, pens are excellent
F**R
Love these pens
Long lasting, fine point. Good for writing or drawing
Trustpilot
2 months ago
4 days ago