---
product_id: 275745485
title: "uni-ball UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10"
brand: "uni-ball"
price: "$50.29"
currency: USD
in_stock: true
reviews_count: 11
category: "Uni Ball"
url: https://www.desertcart.ec/products/275745485-uni-ball-ub-150-rollerball-pens-0-5-mm-tip
store_origin: EC
region: Ecuador
---

# Waterproof pigment ink Uni-Flow system for consistent ink flow 0.5mm micro tip for precision uni-ball UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10

**Brand:** uni-ball
**Price:** $50.29
**Availability:** ✅ In Stock

## Summary

> 🖋️ Elevate your writing game with precision and style — because details matter.

## Quick Answers

- **What is this?** uni-ball UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10 by uni-ball
- **How much does it cost?** $50.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/275745485-uni-ball-ub-150-rollerball-pens-0-5-mm-tip)

## 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

- • **Bold & Reliable:** Waterproof pigment ink ensures your notes stay vibrant and smudge-free, rain or shine.
- • **Stay In The Know:** Transparent ink barrel lets you track ink levels, so you’re never caught off guard.
- • **Write Without Limits:** Uni-Flow system guarantees smooth, uninterrupted ink flow until the very last drop.
- • **Engineered for Endurance:** Stainless steel tip with tungsten carbide ball offers unmatched durability and smooth glide.
- • **Precision at Your Fingertips:** Micro 0.5mm tip delivers ultra-fine 0.2mm lines for flawless, detailed writing.

## Overview

The uni-ball UB-150 Rollerball Pen pack features 10 pens with a micro 0.5mm stainless steel tip and tungsten carbide ball for precise, smooth writing. Equipped with waterproof pigment ink and the innovative Uni-Flow system, these pens deliver consistent, smudge-proof lines down to the last drop. The transparent barrel allows easy ink monitoring, making them a reliable choice for professionals who demand quality and performance.

## 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: Good quality. - Nice lines
Review: great pens ! - arrived in good time and worked well....very smooth to write with

## Features

- Stainless-steel tip with tungsten carbide ball.
- Micro 0.5mm tip ,writes a 0.2mm line.
- 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 smooth in writing

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00SZL9YF8 |
| Best Sellers Rank | #485 in Office Products ( See Top 100 in Office Products ) #77 in Gel Ink Rollerball Pens |
| Brand | uni-ball |
| Closure | Click-Off Cap |
| Color | Red |
| Customer Reviews | 4.5 4.5 out of 5 stars (279) |
| Date First Available | 29 June 2015 |
| Grip Type | Contoured |
| Ink Color | Red |
| Item Weight | 113 g |
| Line Size | 0_5mm |
| Manufacturer | Uni-ball |
| Manufacturer Part Number | UB150 |
| Material Type | Tungsten Carbide Stainless Steel |
| Model number | BC30862 |
| Number of Items | 10 |
| Point Type | Micro |
| Product Dimensions | 14 x 7.01 x 2.01 cm; 113.4 g |

## Product Details

- **Age range (description):** Adult
- **Brand:** uni-ball
- **Colour:** Red
- **Ink colour:** Red
- **Writing instrument form:** Roller Ball Pen

## Images

![uni-ball UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10 - Image 1](https://m.media-amazon.com/images/I/61wG2ZDqbKL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality.
*by R***. on 27 October 2023*

Nice lines

### ⭐⭐⭐⭐⭐ great pens !
*by A***B on 3 January 2021*

arrived in good time and worked well....very smooth to write with

### ⭐⭐⭐⭐ Great
*by C***. on 23 July 2023*

Good quality

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**Shop now:** [https://www.desertcart.ec/products/275745485-uni-ball-ub-150-rollerball-pens-0-5-mm-tip](https://www.desertcart.ec/products/275745485-uni-ball-ub-150-rollerball-pens-0-5-mm-tip)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-01-24*