---
product_id: 122447363
title: "UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10"
brand: "uni-ball"
price: "189.32 DT"
currency: TND
in_stock: true
reviews_count: 6
category: "Uni Ball"
url: https://www.desertcart.tn/products/122447363-ub-150-rollerball-pens-0-5-mm-tip-red-ink
store_origin: TN
region: Tunisia
---

# Transparent barrel shows ink level Vibrant waterproof red pigment ink 0.5mm micro tip for precision UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10

**Brand:** uni-ball
**Price:** 189.32 DT
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10 by uni-ball
- **How much does it cost?** 189.32 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/122447363-ub-150-rollerball-pens-0-5-mm-tip-red-ink)

## 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

- • **Crafted in Japan:** 100% made by Mitsubishi Pencil Co. with premium tungsten carbide stainless steel tip for durability.
- • **Ink That Keeps Up:** Waterproof pigment ink with Uni-Flow system ensures smooth, consistent writing until the last drop.
- • **Stay-In-Place Design:** Click-off cap stays secure in your pocket—no more lost tops during your busy day.
- • **Precision in Every Stroke:** Micro 0.5mm tip delivers ultra-fine 0.3mm lines for flawless writing and detailed notes.
- • **See Your Ink, Never Run Dry:** Transparent barrel lets you track ink levels, so you’re never caught off guard.

## Overview

The uni-ball UB-150 Rollerball Pen is a professional-grade writing instrument featuring a precise 0.5mm micro tip that produces clean 0.3mm lines. Made in Japan with a tungsten carbide stainless steel tip, it uses waterproof pigment ink and a Uni-Flow system to guarantee smooth, consistent writing until the ink runs out. Its transparent barrel allows easy monitoring of ink levels, and the secure click-off cap ensures portability without hassle. Available in vibrant red ink, this pack of 10 pens is a trusted choice for professionals seeking reliability and style.

## Description

A favorite for over 10 years. Reliable high quality rollerball pen with waterproof pigment ink and "Uni-Flow" system to ensure consistent writing down to the last drop. Stainless steel tip with tungsten carbide ball. 0.5mm micro tip, 0.3mm line writing. The transparent ink body allows you to see how much ink is left.

Review: Reliable - Excellent thin, reliable, line, comfortable to hold, light weight. Top stays on when in pocket. Perfect! The black and red colours I like, but the blue is less bright than I'd like.
Review: The ink does not last long - This product came in a plastic wallet- quality highly compromised. -the ink did not last long- the ink seemed to have been diluted. Will not recommend this product at all. very disappointed.

## Features

- 100% made in Japan by Mitsubishi Pencil Co.Ltd
- Micro 0.5mm tip ,writes a 0.3mm line.The see through ink barrel lets you see how much ink is left.
- High-quality and reliable rollerball featuring waterproof pigment ink and 'Uni-Flow' system to ensure a continuous consistent write to the last drop.
- User friendly,safe and comfortable to use.A favourite for over 10 years.
- Stainless-steel tip with tungsten carbide ball. with 3 colours(black,blue,red).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00SZL9YF8 |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | 83,091 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 1,218 in Gel Ink Rollerball Pens |
| Body Shape | Cylindrical |
| Brand | uni-ball |
| Brand Name | uni-ball |
| Closure Type | Click-Off Cap |
| Colour | Red |
| Country Of Origin | Japan |
| Customer Reviews | 4.2 out of 5 stars 27 Reviews |
| Drill Point | Micro |
| Global Trade Identification Number | 05056225282160 |
| Grip Type | Ribbed |
| Ink Base | Water |
| Ink Colour | Red |
| Ink colour | Red |
| Is the Product Left or Right Handed? | Left |
| Item Diameter | 1 Centimetres |
| Item Dimensions | 14 x 7 x 2 centimetres |
| Item Weight | 0.25 Pounds |
| Line Size | 0.5mm |
| Manufacturer | Uni-ball |
| Material | Tungsten Carbide Stainless Steel |
| Material Type | Tungsten Carbide Stainless Steel |
| Model Name | uni UB 150 |
| Model Number | BC30862 |
| Recommended Uses For Product | Écriture |
| Special Features | Waterproof |
| Theme | Plain |
| UPC | 701936337122 |
| Unit Count | 10 Count |
| 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:** Red
- **Ink colour:** Red
- **Age range (description):** Adult
- **Material:** Tungsten Carbide Stainless Steel
- **Point type:** Micro
- **Special feature:** Waterproof
- **Unit count:** 10 Count
- **Model name:** uni UB 150

## Images

![UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10 - Image 1](https://m.media-amazon.com/images/I/61wG2ZDqbKL.jpg)
![UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10 - Image 2](https://m.media-amazon.com/images/I/41JVQiXFfEL.jpg)
![UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10 - Image 3](https://m.media-amazon.com/images/I/41TRH1ah98L.jpg)
![UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10 - Image 4](https://m.media-amazon.com/images/I/41x2KzaTp3L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Reliable
*by M***G on 12 June 2025*

Excellent thin, reliable, line, comfortable to hold, light weight. Top stays on when in pocket. Perfect! The black and red colours I like, but the blue is less bright than I'd like.

### ⭐ The ink does not last long
*by A***R on 24 April 2026*

This product came in a plastic wallet- quality highly compromised. -the ink did not last long- the ink seemed to have been diluted. Will not recommend this product at all. very disappointed.

### ⭐⭐⭐⭐⭐ Hil
*by P***M on 1 January 2019*

The product is excellent. Good for teachers.

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-15*