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🖋️ Write with purpose, style, and sustainability—because your ideas deserve the best.
The uni-ball Zento Liquid Gel Ink Retractable Pens combine a precise 0.7mm medium point with quick-drying, smudge-resistant liquid gel ink for a smooth writing experience. Designed with a minimalist barrel made from 75% recycled materials and a soft ergonomic grip, these pens promote mindful, comfortable writing. Their durable spring-loaded clip adds practical portability, making them ideal for professionals seeking both style and sustainability in everyday office essentials.




| ASIN | B0D9CQJ93L |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Animal Theme | Animal |
| Best Sellers Rank | 1,360 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 26 in Gel Ink Rollerball Pens |
| Body Shape | Round |
| Brand | uni-ball |
| Brand Name | uni-ball |
| Closure Type | Retractable |
| Colour | Black |
| Customer Reviews | 4.7 out of 5 stars 3,187 Reviews |
| Drill Point | Medium |
| Grip Type | Smooth |
| Hardness | HB |
| Included Components | 12 Pens, Durable Precision Tip, Fraud Proof Ink, Liquid Gel |
| Ink Base | Water |
| Ink Colour | Black |
| Ink colour | Black |
| Is the Product Left or Right Handed? | Ambidextrous |
| Item Diameter | 0.7 Millimetres |
| Item Dimensions | 8 x 13 x 193 millimetres |
| Item Weight | 0.31 Pounds |
| Line Size | 0.7mm |
| Manufacturer | Uni-ball |
| Material | Plastic Liquid Ink Gel |
| Material Type | Plastic Liquid Ink Gel |
| Model Name | Zento |
| Model Number | 70663 |
| Pattern | Business, Professional, School, Work |
| Recommended Uses For Product | Calligraphy, Carpentry, Marking Out, Sketching, Writing |
| Special Features | Ergonomic, Liquid Ink, Smudge Free, Soft Grip, Visible Ink Level |
| Style | Contemporary and Japanese |
| Theme | Animal, Cartoon, Fantasy, Floral, Rainbow |
| UPC | 030246706633 |
| Unit Count | 12.0 count |
| Water Resistance Level | Water Resistant |
| Writing Instrument Form | Gel Pen |
| Writing Technique | gel ink rollerball |
| Writing instrument form | Gel Pen |
A**R
Worth the hype
Love these pens, the writing quality and feel fo it is above all others for the price. Couldn't recommend enough, very good ink and feels fmwineefduk to write with.
C**N
Ideal
Hella satisfying to write with, ink flows well and I'm a big fan of the line thickness. Writes well when held both vertically and slanted, and doesn't smudge unless you literally wipe immediately after writing one letter. Love the design too; nice matte texture grip.
S**N
Amazing quality pen that flows seamlessly
The pen of my dreams. I have bought them on repeat. They have a nice thick line when writing and produce a lovely, flowing mark. I find them extremely easy to write with because of the ink flow and the non-scratchy 0.7 nib. Highly recommend.
L**C
Best and best
Everything is perfect about these pens. Very smooth, good grip and comfortable. Nothing can’t be beat these.
E**A
Fluid writing is priceless
While pricey these are great pens and my daughter loves them for school
A**K
incredibly smoothly, with a consistent ink flow and no skipping
Got these as small Christmas presents for the office, and honestly didn’t expect much—but they’ve been a surprise hit. You rarely get stopped by people asking what pen you’re using, but that’s happened more than once with these. The Uniball Zento gel pens write incredibly smoothly, with a consistent ink flow and no skipping. The medium point is just right—clean, bold lines without feeling heavy. For everyday office use, they’re far better than your standard bulk pens. Would definitely buy again.
P**H
Smooth writing
Great pens. I would buy them again. Very smooth when you write and the ink doesn’t smudge.
R**A
Brilliant!
This pen glides across the page with effortless grace- genuinely buttery smooth and a pleasure to write with. As an avid fountain‑pen user, I find it an ideal compromise for moments when a fountain pen isn’t practical, yet I still want that refined, silky writing experience reminiscent of fountain ink. An exceptional set of pens. No hesitation in recommending them, and I would happily repurchase.
A**R
Maravilhosa
Escrita super macia e agradável.
E**E
Ottima penna gel
Ottima scorrevolezza della punta, piacevole maneggevolezza, molto soddisfatto
B**I
Yazışı
Mükemmel bir kalem. Kağıtta çok güzel kayıyor. Bu fiyata bu kaliteyi bulamazsınız.
J**O
Excelentes
Fabuloso producto, se escribe suavemente, la tinta seca al instante
J**O
Excelente bolígrafo que va más allá que una moda
Sabemos que el marketing es un conjunto de falacias "bien dichas", a mi me pasa que cuando veo que hay un "hype" espontáneo automáticamente gyardo mis distancias y basta esperar unos cuantos dias para ver cómo todo termina siendo un fiasco y decepción absoluta. Pasa seguido y se ha vuekta casi una norma. Pero también pasa que hay productos que son la excepción y debo entonces aceptar que todavia hay productos que callan bocas y nos sorprenden. Hace unos meses en Japón se hablaba de una serie de bolígrafos Uniball (ya casi mítica) que se agotaron en muy poco tiempo y que era imposible encontrar en las siempre bien surtidas tiendas de "stationery" en el país asiático. Se trata de los bolígrafos Zento de uniball y definitivamente entiendo ahora la razón de tantos elogios y laa acciones de terminar con todas las existencias de estos boligrafos (en sus 3 presentaciones) en tan poco tiempo. Sólo puedo decir que es un producto tan simple y tan correcto, implacable e irréprochable. Algo tan simple como un boligrafo que cumple con sus características y promesas de una forma elegante (creo que eso define los buenos productos japoneses que terminan siendo entrañables). No hay mucho que agregar, el diseño del boligrafo es elegante y sin pleonasmos. Pero lo que sí es muy destacable es la tinta y la punta del boligrafo que en conjunto producen una sensación de escritura superior, fluida y muy eficiente. Nunca sentí que mi mano fluyera así con ninguna pluma. Una tinta noble que no te arruina los cuadernos (secado rápido y no se gotea o transmina). Muy recomendable y si pruebas una sola pluma sé que querrás comprar la caja y no quedarte sin seguir escribiendo. Vale absolutamente la compra, la relacion calidad/precio es contundente sobre todo si quieres iniciar con el modelo básico y de pronto buscarás pasar al modelo intermedio y eventualmente al signature.
Trustpilot
2 weeks ago
2 months ago