---
product_id: 48395750
title: "Mitsubishi UB150 0.5mm Ball Width, 0.3mm Line Width Uni-Ball Eye Liquid Ink Rollerball Pen"
brand: "uni-ball"
price: "48.42 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Uni Ball"
url: https://www.desertcart.tn/products/48395750-mitsubishi-ub150-0-5mm-ball-width-0-3mm-line-width
store_origin: TN
region: Tunisia
---

# Waterproof & fade-resistant ink Ink level visible via barrel window 0.5mm ultra-fine ball tip Mitsubishi UB150 0.5mm Ball Width, 0.3mm Line Width Uni-Ball Eye Liquid Ink Rollerball Pen

**Brand:** uni-ball
**Price:** 48.42 DT
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write sharp, write smart — the pen that means business.

## Quick Answers

- **What is this?** Mitsubishi UB150 0.5mm Ball Width, 0.3mm Line Width Uni-Ball Eye Liquid Ink Rollerball Pen by uni-ball
- **How much does it cost?** 48.42 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/48395750-mitsubishi-ub150-0-5mm-ball-width-0-3mm-line-width)

## 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

- • **Ink That Lasts and Lasts:** Waterproof, fade-resistant liquid pigment ink ensures your signatures and notes stay vibrant and secure.
- • **Precision in Every Stroke:** Micro 0.5mm ball tip delivers ultra-fine 0.2mm lines for crisp, professional writing.
- • **Stay Ahead with Ink Insight:** Transparent barrel window lets you monitor ink levels—never get caught without ink again.
- • **Certified Document Authenticity:** Permanent ink meets international standards for indelibility—ideal for signing contracts and official documents.
- • **Effortless Comfort for Long Sessions:** Ergonomically contoured grip reduces hand fatigue, perfect for marathon meetings or creative bursts.

## Overview

The Mitsubishi UB150 Uni-Ball Eye rollerball pen features a 0.5mm micro ball tip producing ultra-fine 0.2mm lines with waterproof, fade-resistant liquid pigment ink. Designed for professionals, it includes a transparent barrel window to track ink levels and a contoured grip for comfortable extended use. Its permanent ink meets international standards for document authenticity, making it perfect for signing important contracts and official paperwork.

## Description

From the manufacturer Ball Eye A first-class ballpoint pen! The Uni-ball Eye Pen features a unique ink flow system that ensures high and consistent writing performance. Its large ink reserve makes the uni-ball Eye pen ideal for all types of writing. The popular ballpoint pen has a metal clip and is available in 10 colours. Black, blue, red and green ink colours are permanent, which is particularly important for signing certificates, contracts and important documents. The uni-ball eye is available in three variants: Micro for extra fine writing (0.2 mm), fine for fine writing (0.4 mm) and the colourful design variant (0.4 mm). Useful information about document authenticity What requirements need to be met? The writing is not erasable without damaging the surface Even with chemical agents, such as water, salt, alcohol, acid, ethanol, the lettering must remain visible In bright light, the lettering must remain visible What are writing instruments for documents? For signing checks, checks, credit cards, contracts, invoices, etc. So when the characters have to "hold long". What does indelibility mean? The basis for verifying the authenticity of documents is made up of several international standards. To meet the requirements of these standards, the ink must have certain characteristics within certain established test parameters and ensure a certain writing behavior. Only then can the ink be defined as indelible. "Document Friendly" is therefore an important quality feature for writing instruments. The different diameter of the ball Micro The 0.5mm ball diameter is ideal for very fine and fine lines. Allows for very long writing. Line width is about 0.2mm. Fine The 0.7mm ball diameter is suitable for fine lines and allows for a long writing time. Line width is about 0.4mm

Review: great pen - This pen writes easily and fine ,comfortable to hold at a good price and fast delivery
Review: Easy to use - I like it, it is not too big not too small, it doesnt make my hand tired when writing with.

## Features

- Warning:Not suitable for children under 36 months
- Barrel window shows how much ink is left
- Waterproof and fade-resistant liquid pigment ink
- Nib of 0.5mm produces line width of 0.2mm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000KJVA4G |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | 126,450 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 441 in Liquid Ink Rollerball Pens 2,076 in Gel Ink Rollerball Pens |
| Body Shape | Round |
| Brand | uni-ball |
| Brand Name | uni-ball |
| Closure Type | Click-Off Cap |
| Colour | Black |
| Country Of Origin | Japan |
| Customer Reviews | 4.6 out of 5 stars 1,248 Reviews |
| Drill Point | Micro |
| Global Trade Identification Number | 04902778913765 |
| Grip Type | Contoured |
| Included Components | 'Metal clip' or [''] if the product does not include any additional components |
| Ink Base | Water |
| Ink Colour | Rot |
| Ink colour | Rot |
| Is the Product Left or Right Handed? | Left |
| Item Dimensions | 14.4 x 7.9 x 2.5 centimetres |
| Item Type Name | Micro Pen |
| Line Size | 0.3mm |
| Manufacturer | Mitsubishi Pencil |
| Material | Plastic |
| Material Type | Plastic |
| Model Name | UB150 |
| Model Number | UB-150 |
| Product Warranty | 1 Year |
| Recommended Uses For Product | Writing |
| Special Features | Waterproof |
| Style | Micro |
| Theme | Animal |
| Unit Count | 1.0 count |
| Water Resistance Level | Waterproof |
| Writing Instrument Form | Roller Ball Pen |
| Writing Technique | rollerball |
| Writing instrument form | Roller Ball Pen |

## Product Details

- **Brand:** uni-ball
- **Writing instrument form:** Roller Ball Pen
- **Colour:** Black
- **Ink colour:** Rot
- **Age range (description):** Adult
- **Material:** Plastic
- **Point type:** Micro
- **Special feature:** Waterproof
- **Unit count:** 1.0 Count
- **Model name:** UB150

## Images

![Mitsubishi UB150 0.5mm Ball Width, 0.3mm Line Width Uni-Ball Eye Liquid Ink Rollerball Pen - Image 1](https://m.media-amazon.com/images/I/41Q77ktSt2L.jpg)
![Mitsubishi UB150 0.5mm Ball Width, 0.3mm Line Width Uni-Ball Eye Liquid Ink Rollerball Pen - Image 2](https://m.media-amazon.com/images/I/21psVopTjZL.jpg)
![Mitsubishi UB150 0.5mm Ball Width, 0.3mm Line Width Uni-Ball Eye Liquid Ink Rollerball Pen - Image 3](https://m.media-amazon.com/images/I/61E4CYUtasL.jpg)
![Mitsubishi UB150 0.5mm Ball Width, 0.3mm Line Width Uni-Ball Eye Liquid Ink Rollerball Pen - Image 4](https://m.media-amazon.com/images/I/61ndplEEczL.jpg)
![Mitsubishi UB150 0.5mm Ball Width, 0.3mm Line Width Uni-Ball Eye Liquid Ink Rollerball Pen - Image 5](https://m.media-amazon.com/images/I/512BB0Kk+2L.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ great pen
*by D***R on 2 October 2024*

This pen writes easily and fine ,comfortable to hold at a good price and fast delivery

### ⭐⭐⭐⭐⭐ Easy to use
*by S***V on 15 November 2025*

I like it, it is not too big not too small, it doesnt make my hand tired when writing with.

### ⭐⭐⭐⭐⭐ Best pens ever!
*by E***T on 19 April 2024*

Mitsubishi did this? No wonder they selling a lot of cars! So satisfying when writing with those

## Frequently Bought Together

- Mitsubishi Uniball Eye Micro Roller Pen, Black, Pack of 2
- uni-ball Eye Micro UB-150 Fine Rollerball Pen - Blue, Pack of 3
- uni-ball Eye Micro Ub-150 Gel Ink Pen - 0.5 mm - Pack of 6-2 x Black, 2 x Blue, 2 x Red - In Gift Box

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-05*