---
product_id: 668023761
title: "Uniball Zento Gel Ink Rollerball Pens, 12 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Zen Colors"
brand: "uni-ball"
price: "514 kr"
currency: DKK
in_stock: true
reviews_count: 7
category: "Uni Ball"
url: https://www.desertcart.dk/products/668023761-uniball-zento-gel-ink-rollerball-pens-12-black-medium-point
store_origin: DK
region: Denmark
---

# Vivid quick-drying gel ink prevents smearing 76% recycled barrel material for eco-conscious use 0.7mm medium tip for precise, smooth writing Uniball Zento Gel Ink Rollerball Pens, 12 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Zen Colors

**Brand:** uni-ball
**Price:** 514 kr
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write Boldly, Live Mindfully: The Pen That Keeps Up with Your Hustle

## Quick Answers

- **What is this?** Uniball Zento Gel Ink Rollerball Pens, 12 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Zen Colors by uni-ball
- **How much does it cost?** 514 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/668023761-uniball-zento-gel-ink-rollerball-pens-12-black-medium-point)

## Best For

- uni-ball enthusiasts

## Why This Product

- Trusted uni-ball brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Chic Design:** Sleek minimalist barrel crafted from 76% recycled materials—write with style and sustainability in mind.
- • **Zen-Inspired Colors:** On-trend, calming barrel hues evoke mindfulness, making every writing session a moment of tranquility.
- • **Effortless Precision:** 0.7mm medium tip delivers ultra-smooth, consistent strokes for flawless note-taking and creative flow.
- • **Smudge-Free Confidence:** Quick-drying, vibrant gel ink ensures your ideas stay sharp and clean—no more embarrassing smears.
- • **Pocket-Ready Practicality:** Spring-loaded clip secures your pen to notebooks or pockets—always ready when inspiration strikes.

## Overview

Uniball Zento Gel Ink Rollerball Pens combine Japanese precision with eco-friendly design, featuring a 0.7mm medium tip and quick-drying vivid gel ink for smooth, smudge-free writing. The minimalist barrel, made from 76% recycled materials, offers a soft grip and stylish Zen-inspired colors, while the spring-loaded clip ensures portability. Perfect for professionals who value quality, sustainability, and mindful aesthetics in their everyday tools.

## Description

Step into a world of timeless elegance and unparalleled craftsmanship with Uniball, a brand that has woven its legacy into the fabric of fine writing instruments. With a heritage rooted in innovation and a commitment to excellence, Uniball has consistently delivered a writing experience that stands the test of time. Immerse yourself in the art of writing with Uniball's meticulously crafted pens, proudly made in Japan. Our legacy of precision and quality is evident in every stroke, ensuring that your thoughts flow seamlessly onto paper with each movement of the pen. From Gel Pens to Rollerball Pens, Ballpoint Pens to Fineliner Pens, and Mechanical Pencils, Uniball offers a comprehensive range that caters to every writing style and preference. Dive into a world of versatility with Uniball's diverse range of tip sizes, spanning from the ultra-micro 0.38 for intricate detailing, to the bold 1.0 for striking emphasis. Whether you're sketching, journaling, note-taking, or bringing ideas to life, Uniball empowers you to effortlessly transition between strokes, giving your writing a unique dimension that captivates the eye and stirs the soul. As you hold a Uniball pen in your hand, you're not just embracing a writing instrument – you're embracing a legacy of craftsmanship, innovation, and the pursuit of perfection. Each pen is a testament to our dedication to providing you with an unmatched writing experience, where every word is an ode to the art of communication. Start your story with Uniball, where heritage meets modernity, and each stroke is an invitation to immerse yourself in a world of boundless expression. Join a community of discerning individuals who appreciate the value of quality, heritage, and the power of the written word. Experience the magic of Uniball for yourself and discover the joy of writing that transcends time and leaves an indelible mark on every page.

Review: Great all round - I work as a nurse so having a good pen is vital to me. The gel in is good consistent and no streaks ever left. The pen feels good to write with, ergonomic in feel. The softness of the plastic is an added bonus. The metal clip is very useful and clips well.
Review: Brilliant rollerball - The very best rollerballs from 🇯🇵

## Features

- Retractable 0.7mm medium pens create ultra-smooth writing experience with every stroke.
- Quick-dying, extremely vivid liquid gel ink provides smooth writing flow that prevents smearing.
- Sleek minimalist barrel has a seamless soft grip and is made of 76% recycled material.
- Functional spring-loaded clip easily attaches to pockets and notebooks.
- Thoughtfully curated and on-trend barrel colors evoke a sense of tranquility and mindfulness.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Uni-ball |
| Brand | uni-ball |
| Model Number | 70665 |
| Product Dimensions | 0.76 x 1.27 x 19.3 cm; 140.61 g |
| Colour | Zen - Black Ink |
| Closure | Retractable |
| Grip Type | Ribbed |
| Pencil Lead Degree (Hardness) | HB |
| Material Type | Plastic Liquid Ink Gel |
| Number of Items | 12 |
| Size | 1 count (Pack of 12) |
| Point Type | Medium |
| Line Size | 0.7mm |
| Ink Colour | Black |
| Manufacturer Part Number | 70665 |
| Item Weight | 141 g |

## Product Details

- **Age range (description):** Adult
- **Brand:** uni-ball
- **Colour:** Zen - Black Ink
- **Ink colour:** Black
- **Item dimensions L x W x H:** 8 x 13 x 193 millimetres
- **Material:** Plastic Liquid Ink Gel
- **Point type:** Medium
- **Special feature:** Ergonomic, Liquid Ink, Smudge Free, Soft Grip, Visible Ink Level
- **Unit count:** 12.0 Count
- **Writing instrument form:** Multifunction Writing Instruments

## Images

![Uniball Zento Gel Ink Rollerball Pens, 12 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Zen Colors - Image 1](https://m.media-amazon.com/images/I/71pm4jSBvUL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great all round
*by S***S on 26 October 2025*

I work as a nurse so having a good pen is vital to me. The gel in is good consistent and no streaks ever left. The pen feels good to write with, ergonomic in feel. The softness of the plastic is an added bonus. The metal clip is very useful and clips well.

### ⭐⭐⭐⭐⭐ Brilliant rollerball
*by J***R on 17 October 2025*

The very best rollerballs from 🇯🇵

### ⭐⭐⭐⭐⭐ Review
*by T***R on 1 October 2025*

LDR: Super-smooth, quick-drying black gel ink in an aesthetically pleasing, comfortable, and environmentally conscious barrel. A top-tier choice for effortless, smudge-free writing. I recently purchased the 12-pack of Uniball Zento Gel Ink Rollerball Pens because I was in the market for a reliable, super-smooth pen for long-form note-taking and journaling. My initial impression was excellent: the sleek, minimalist design is immediately appealing, and the moment I put the pen to paper, the writing experience was noticeably superior. The "medium point" (0.7mm) combined with the new liquid gel ink formula promised an effortless glide, and it absolutely delivered. In real-world use, the Zento pens truly shine. They perform consistently without skipping, delivering a dark, uniform black line that makes handwriting look crisp and clean. The biggest standout feature is the ink's quick-drying property. As someone who writes fairly quickly, smearing is a constant issue with gel pens, but the Zento ink dries so fast that it's virtually smudge-resistant, which is a massive win. The seamless soft grip is comfortable and helps prevent hand fatigue during extended writing sessions. The barrel itself, made from 76% recycled material, adds an unexpected layer of satisfaction to the purchase. The only minor point of consideration is that the black ink, while dark and vivid, is sometimes described as slightly lighter than the deepest black of some other Uniball lines, but this is a very fine distinction. Pros Super-Smooth Writing: The liquid gel ink provides an effortless, non-scratchy writing experience. Quick-Drying Ink: Significantly reduces smudging and is excellent for fast writers and left-handers. Comfortable Grip/Design: The minimalist barrel with a seamless soft grip is comfortable for long-term use. Eco-Friendly Barrel: Made from 76% recycled plastic, aligning with environmental consciousness. Strong, Functional Clip: The spring-loaded wire clip is durable and easily attaches to notebooks or pockets. Cons Ink Blackness: Some users find the black ink, while very good, is not the absolute deepest shade of black compared to some other premium gel pens. Refill Availability/Compatibility: While the pen body is refillable (often taking other Uniball refills), the specific Zento refill may not be as universally available as others. Verdict The Uniball Zento Gel Ink Rollerball Pen is an absolute winner and easily warrants a 5-star rating. It is best for anyone who values a remarkably smooth, quick-drying, and consistent writing experience for everyday use, professional work, or intensive note-taking. If you've been looking for a reliable, smudge-free pen that is both aesthetically pleasing and comfortable to hold, the Zento is well worth the price.

## Frequently Bought Together

- Uniball Zento Gel Ink Rollerball Pens, 12 Black Medium Point Smooth Writing Pens, Colored Japanese Pens, Zen Colors
- uniball Zento Liquid Gel Ink Retractable Pens, Medium Point (0.7mm), Boho Barrels, Black Ink, Dozen
- uniball Zento Liquid Gel Ink Retractable Pens, Medium Point (0.7mm), Muted Barrels, Black Ink, Dozen

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-04*