---
product_id: 89198792
title: "Uni-Ball Eye Micro UB-150 0.5 mm Rollerball Pen - Blue (One Pen)"
brand: "uni-ball"
price: "$45226"
currency: COP
in_stock: true
reviews_count: 8
category: "Uni Ball"
url: https://www.desertcart.co/products/89198792-uni-ball-eye-micro-ub-150-0-5-mm-rollerball
store_origin: CO
region: Colombia
---

# Waterproof & fade-resistant ink Barrel window ink-level indicator 0.5mm micro nib for ultra-fine precision Uni-Ball Eye Micro UB-150 0.5 mm Rollerball Pen - Blue (One Pen)

**Brand:** uni-ball
**Price:** $45226
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write your legacy with precision and permanence.

## Quick Answers

- **What is this?** Uni-Ball Eye Micro UB-150 0.5 mm Rollerball Pen - Blue (One Pen) by uni-ball
- **How much does it cost?** $45226 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/89198792-uni-ball-eye-micro-ub-150-0-5-mm-rollerball)

## 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:** Waterproof, fade-resistant liquid pigment ink ensures your signatures and notes stand the test of time and scrutiny.
- • **Stay In The Flow:** Transparent barrel window lets you monitor ink levels so you’re never caught off guard mid-meeting.
- • **Effortless Elegance:** Smooth rollerball design glides comfortably, reducing hand fatigue during marathon brainstorming sessions.
- • **Precision Perfected:** Micro 0.5mm nib delivers crisp, clean lines ideal for detailed notes and professional documents.
- • **Certified Authenticity:** Indelible ink meets international standards, perfect for signing contracts and official paperwork with confidence.

## Overview

The Uni-Ball Eye Micro UB-150 is a premium 0.5mm rollerball pen featuring waterproof, fade-resistant liquid pigment ink and a transparent barrel window to monitor ink levels. Designed for professionals, it offers ultra-fine lines (0.2mm width) with smooth, consistent ink flow, making it ideal for signing important documents and everyday writing with lasting clarity.

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

## 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 | B000KJOJ6M |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Best Sellers Rank | 128,129 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 337 in Rollerball Pens |
| Body Shape | Cylindrical |
| Brand | uni-ball |
| Brand Name | uni-ball |
| Closure Type | Retractable |
| Colour | Blue |
| Customer Reviews | 4.6 out of 5 stars 1,220 Reviews |
| Drill Point | Micro |
| Global Trade Identification Number | 04902778913772 |
| Grip Type | NA - Not Applicable (Standard Round Grip) |
| Included Components | NC |
| Ink Base | Water |
| Ink Colour | Blue |
| Ink colour | Blue |
| Is the Product Left or Right Handed? | Right |
| Item Dimensions | 14 x 0.7 x 0.7 centimetres |
| Item Type Name | Fineline Pen |
| Line Size | 0.5mm |
| Manufacturer | Mitsubishi Pencil |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model Name | UB 150 |
| Model Number | F045040 S |
| Product Warranty | 1 Year |
| Recommended Uses For Product | Writing |
| Special Features | Waterproof |
| Style | Contemporary |
| Unit Count | 1.0 count |
| Water Resistance Level | Water Resistant |
| Writing Instrument Form | Roller Ball Pen |
| Writing instrument form | Roller Ball Pen |

## Product Details

- **Age range (description):** Adult
- **Brand:** uni-ball
- **Colour:** Blue
- **Ink colour:** Blue
- **Material:** Stainless Steel
- **Model name:** UB 150
- **Point type:** Micro
- **Special feature:** Waterproof
- **Unit count:** 1.0 count
- **Writing instrument form:** Roller Ball Pen

## Images

![Uni-Ball Eye Micro UB-150 0.5 mm Rollerball Pen - Blue (One Pen) - Image 1](https://m.media-amazon.com/images/I/51NfmsNs-9L.jpg)
![Uni-Ball Eye Micro UB-150 0.5 mm Rollerball Pen - Blue (One Pen) - Image 2](https://m.media-amazon.com/images/I/71FoaV9m6HL.jpg)
![Uni-Ball Eye Micro UB-150 0.5 mm Rollerball Pen - Blue (One Pen) - Image 3](https://m.media-amazon.com/images/I/21JR6BCvWgL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ 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

### ⭐⭐⭐⭐⭐ 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

- Uni-Ball Eye Micro UB-150 0.5 mm Rollerball Pen - Blue (One Pen)
- 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
- uni-ball Eye Micro UB-150 Fine Rollerball Pen - Blue, Pack of 3

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**Shop now:** [https://www.desertcart.co/products/89198792-uni-ball-eye-micro-ub-150-0-5-mm-rollerball](https://www.desertcart.co/products/89198792-uni-ball-eye-micro-ub-150-0-5-mm-rollerball)

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-02-25*