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🖊️ Write Bold. Write Brilliant. Never Blend In.
The Uni-ball UM-153S Signo Impact Gel Pen pack of 12 delivers a premium writing experience with its 1.0mm broad nib and advanced Uni-Ball Super Ink. This ink is fade, water, and chemical resistant, ensuring your writing stays vivid and secure. Designed with an ergonomic rubber grip and a leak-proof click-off cap, these pens combine comfort and reliability for professionals who demand bold, smooth, and lasting ink performance.














| ASIN | B000I6M55Y |
| Additional Features | Fade Resistant, Quick Drying, Soft Grip, Tamper proof, Visible Ink Level, Waterproof |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #274,417 in Office Products ( See Top 100 in Office Products ) #4,102 in Gel Ink Pens |
| Body Shape | Cylindrical |
| Brand | Uni-Ball |
| Brand Name | Uni-Ball |
| Closure Type | Click-Off Cap |
| Color | Black Gel |
| Customer Reviews | 4.6 out of 5 stars 1,895 Reviews |
| Drill Point | Broad |
| Global Trade Identification Number | 04902778921616, 04902778928264 |
| Grip Type | Comfort grip |
| Hand Orientation | Ambidextrous |
| Included Components | Storage Case |
| Ink Base | Water |
| Ink Color | Black |
| Item Diameter | 1 Centimeters |
| Item Dimensions | 0.06 x 0.01 x 0.03 inches |
| Item Type Name | Rollerball gel pens |
| Item Weight | 10 Grams |
| Line Size | 1.0mm |
| Manufacturer | Uni Mitsubishi Pencil Company Ltd |
| Material | Rubber |
| Material Type | Rubber |
| Model Name | UM-153S |
| Model Number | 218990000 |
| Pattern | Single |
| Recommended Uses For Product | Writing |
| Style | 12 Black Broad 1mm |
| Unit Count | 12.0 Count |
| Water Resistance Level | Water Resistant |
| Writing Instrument Form | Roller Ball Pen |
C**O
Favorite Pen
I live by these pens! I will reorder them as long as they and I exist. Writes thickly. Glide. Can smudge though. So writer beware.
V**E
Best pen ever. ❤️
I love everything about this pen. The first time I used one was at my attorney’s office. Of course after signing all legal documents, I kept the pen! It’s perfect. Light weight right size, no smudges, no gunky ink. Glides as you write. Only one I have used in the past 2 years. Just love it! Thanks for a great product!
J**G
smooth lines! great pen! writes so well!
I LOVE this pen! it writes so smooth and the pen has a great feel. Great for every day but also for addressing envelopes or writing out cards. I would definitely recommend!
E**R
Love this pens
I’ve been looking for this pen for many years. They have a premium feel and bold writing.
S**S
wonderful to use
Love how it writes--very smooth.
C**Y
😁
Very smooth. Doesn't skip. Flows evenly
G**L
Great item
Awesome pens!
R**B
Perfect for what I needed!
Perfect for what I needed!
F**O
escritura suave, calidad de construcción
Estaban en una oferta de reacondicionado y por el precio que salian era un regalo. la calidad de escritura es muy buena, hace que la escritura sea comoda y el trazo suave. una buena compra, sobre todo por el precio. nota: eran reacondicionados, la unica diferencia es que en lugar de venir en el paquete original vienen en una bolsa aparte, por lo demas son iguales. buena opción comprarlos asi por la mitad de precio
L**A
Mi bolígrafo de gel favorito
Mi bolígrafo de gel favorito ahora mismo, incluso un poco mejor que los Pentel energel al tacto.
F**P
Best ball pen
Best ball pen that I have used. Leaves uniform trail ALWAYS.
H**Z
Me encantan
Muy buenos
N**A
Excellent Pens
I have used these pens for years. They write beautifully. Very good quality.
Trustpilot
3 weeks ago
2 weeks ago