---
product_id: 59044216
title: "Uniball Onyx Rollerball Stick Pen 12 Pack, 0.5mm Micro Blue Pens, Gel Ink Pens | Office Supplies, Pens, Ballpoint Pen, Colored Pens, Gel Pens, Fine Point, Smooth Writing Pens"
brand: "uni-ball"
price: "€ 32.91"
currency: EUR
in_stock: true
category: "Uni Ball"
url: https://www.desertcart.pt/products/59044216-uniball-onyx-rollerball-stick-pen-12-pack-0-5mm-micro
store_origin: PT
region: Portugal
---

# Quick-drying, water-resistant gel ink Tungsten rollerball for ultra-smooth glide 0.5mm micro precision tip Uniball Onyx Rollerball Stick Pen 12 Pack, 0.5mm Micro Blue Pens, Gel Ink Pens | Office Supplies, Pens, Ballpoint Pen, Colored Pens, Gel Pens, Fine Point, Smooth Writing Pens

**Brand:** uni-ball
**Price:** € 32.91
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write like a pro, glide like a boss.

## Quick Answers

- **What is this?** Uniball Onyx Rollerball Stick Pen 12 Pack, 0.5mm Micro Blue Pens, Gel Ink Pens | Office Supplies, Pens, Ballpoint Pen, Colored Pens, Gel Pens, Fine Point, Smooth Writing Pens by uni-ball
- **How much does it cost?** € 32.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/59044216-uniball-onyx-rollerball-stick-pen-12-pack-0-5mm-micro)

## 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

- • **Comfort Grip:** Matte black barrel with ergonomic design reduces hand fatigue during long writing sessions.
- • **Endurance Ready:** Durable metal tip designed to handle carbon copies and multipart forms without skipping a beat.
- • **Smooth Operator:** Tungsten rollerball technology ensures effortless ink flow for a silky-smooth writing experience.
- • **Fast-Dry Formula:** Water-resistant gel ink dries quickly to keep your notes smudge-free and professional.
- • **Precision Perfected:** Experience flawless writing with a 0.5mm micro tip that delivers crisp, clean lines every time.

## Overview

The Uni-ball Onyx Rollerball Stick Pen 12 Pack features a 0.5mm micro tip with tungsten ball technology for ultra-smooth, precise writing. Its durable metal point excels on carbon copies, while the matte black barrel offers ergonomic comfort. Quick-drying, water-resistant gel ink ensures clean, smudge-free notes—perfect for professionals who demand reliability and style in every stroke.

## Description

Onyx Stick Roller Ball Pens, Micro Point, Blue Ink, Pack of 12. Sturdy metal roller point with liquid ink ensures a flawless writing experience. Precision tungsten ball for ultra-smooth action. Durable metal point is excellent for marking carbon copies or multipart forms. Easy-to-hold matte black barrel prevents writing fatigue. Smooth writing, quick-drying ink. 0.88 inches long by 2.88 inches wide by 5.63 inches high. 0.224 pounds. UPC for this product is: 70530600414 Related search terms for this product include: uni ball, uni-ball, rollerball pen, ink pen.

## Features

- Manufactured by: uni-ball
- Sold as 12 EA
- Micro Point, 0.5mm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00006IE88 |
| Age Range Description | Adult |
| Best Sellers Rank | 134,138 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 704 in Stick Ballpoint Pens |
| Body Shape | Cylindrical |
| Brand Name | uni-ball |
| Closure Type | Click-Off Cap |
| Colour | Black,Blue |
| Country Of Origin | Japan |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,324) |
| Drill Point | Ball Tip |
| Global Trade Identification Number | 00070530600414 |
| Grip Type | Rubber or Plastic |
| Hardness | F |
| Included Components | ART SUPPLIES |
| Ink Base | Water |
| Ink Colour | Blue |
| Is the Product Left or Right Handed? | Right |
| Item Diameter | 0.5 Millimetres |
| Item Dimensions | 13 x 143 x 10 millimetres |
| Item Weight | 54 g |
| Line Size | 0.5mm |
| Manufacturer | uni-ball® |
| Material Type | Tungsten |
| Model Name | Onyx |
| Model Number | 60041 |
| Pattern | Micro Tip |
| Recommended Uses For Product | Writing |
| Special Features | Liquid Ink |
| Style | 0.5mm |
| UPC | 070530600414 523160242719 801593363400 078667353326 799916370412 619730799155 012300904872 806792164711 641438163648 809302146672 823019777271 638458814292 030246600412 640206575898 |
| Unit Count | 12.0 count |
| Water Resistance Level | Water Resistant |
| Writing Instrument Form | Ballpoint Pen |
| Writing Technique | rollerball |

## Product Details

- **Age range (description):** Adult
- **Brand:** uni-ball
- **Colour:** Black,Blue
- **Ink colour:** Blue
- **Material:** Tungsten
- **Model name:** Onyx
- **Point type:** Ball Tip
- **Special feature:** Liquid Ink
- **Unit count:** 12.0 count
- **Writing instrument form:** Ballpoint Pen

## Images

![Uniball Onyx Rollerball Stick Pen 12 Pack, 0.5mm Micro Blue Pens, Gel Ink Pens | Office Supplies, Pens, Ballpoint Pen, Colored Pens, Gel Pens, Fine Point, Smooth Writing Pens - Image 1](https://m.media-amazon.com/images/I/71P8QHgV-hL.jpg)

## Frequently Bought Together

- Uni-Ball® Onyx® Rollerball Pens, Micro Point, 0.5 mm, Black Barrel, Blue Ink, Pack Of 12
- uni-ball Roller Rollerball Pens Fine Point Micro Tip, 0.5mm, Black, 12 Pack
- Sanford Uniball Onyx Roller Stick Pen, 0.7mm Fine, Blue Ink, Dozen (60145)

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**Shop now:** [https://www.desertcart.pt/products/59044216-uniball-onyx-rollerball-stick-pen-12-pack-0-5mm-micro](https://www.desertcart.pt/products/59044216-uniball-onyx-rollerball-stick-pen-12-pack-0-5mm-micro)

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-09-17*