---
product_id: 336250430
title: "Uni-Ball AIR Micro - 0.5mm Fine Rollerball - Pack of 3 - Blue - UBA-188-M"
brand: "uni-ball"
price: "€ 10.30"
currency: EUR
in_stock: true
reviews_count: 5
category: "Uni Ball"
url: https://www.desertcart.ie/products/336250430-uni-ball-air-micro-0-5mm-fine-rollerball-pack-3
store_origin: IE
region: Ireland
---

# Water & light resistant Super Ink Tamper-resistant ink security 0.5mm pressure-sensitive nib Uni-Ball AIR Micro - 0.5mm Fine Rollerball - Pack of 3 - Blue - UBA-188-M

**Brand:** uni-ball
**Price:** € 10.30
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write Boldly, Sign Securely, Stand Out Effortlessly

## Quick Answers

- **What is this?** Uni-Ball AIR Micro - 0.5mm Fine Rollerball - Pack of 3 - Blue - UBA-188-M by uni-ball
- **How much does it cost?** € 10.30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/336250430-uni-ball-air-micro-0-5mm-fine-rollerball-pack-3)

## 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

- • **Effortless Ink Flow:** Innovative acetal plastic casing around the metal ball ensures ultra-smooth, consistent writing with increased ink flow under pressure.
- • **Vibrant Blue Impact:** Rich, professional blue ink that stands out without overpowering, ideal for managers who want their notes to be noticed.
- • **Secure Your Signature:** Uni’s Super Ink is water, light, and tamper-resistant—perfect for protecting important documents from fraudulent alterations.
- • **Triple Pack Advantage:** Three pens in one pack keep you stocked for meetings, brainstorming sessions, and signing deals—never run out of your signature style.
- • **Precision Meets Expression:** Pressure-sensitive 0.5mm nib adapts line width from 0.28mm to 0.45mm for dynamic, fountain-pen-like strokes.

## Overview

The Uni-Ball AIR Micro 0.5mm rollerball pen features a pressure-sensitive nib that varies line width for a calligraphic feel, combined with a smooth ink flow enabled by an acetal plastic casing. Its high-quality Super Ink is water, light, and tamper-resistant, ensuring your writing stays vibrant and secure. This pack of three blue pens is designed for professionals who demand precision, style, and reliability in every stroke.

## Description

The metal ball of the nib is encased in an acetal plastic, rather than the standard metal surround, which allows for a smoother flow of ink around the ball, and an increased flow as further pressure is applied.

Review: le stylo est très beau, l'écriture fluide. cependant il ne correspond pas à mon écriture, je tiens le stylo relativement incliné ce qui fait que je me retrouve avec un trait épais. attention aussi à l'encre qui tire vers un bleu cyan foncé. sinon on peut en effet varier le trait en fonction de l'inclinaison. Attention, il ne correspond pas à mon utilisation, d'où les 3 étoiles mais c'est un très bon stylo pour quelqu'un qui a une graphie plus grosse que la mienne ou qui souhaite une écriture qui se rapproche d'une forme calligraphique sans investir dans un stylo plume.
Review: I love these pens. Extremely smooth writing and made well. I perfer blue ink and the blue is the perfect shade blue ink I like.

## Features

- The revolutionary nib of the Air, unlike conventional rollerballs, is pressure sensitive, meaning that it gives a writing experience and differentiating line width similar to that of a fountain pen.
- The metal ball of the nib is encased in an acetal plastic, rather than the standard metal surround, which allows for a smoother flow of ink around the ball, and an increased flow as further pressure is applied.
- The 0.5mm ball delivers a line width of between 0.28mm and 0.45mm (dependent on pressure).
- Features Uni's high quality "Super Ink", which is not only water and light resistant, but also "Tamper-Resistant", meaning that the ink cannot be washed off using chemicals and solutions used by people to fraudulently modify documents.
- Pack contains 3 Blue inked pens.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01MCWC2MG |
| Best Sellers Rank | #103,948 in Office Products ( See Top 100 in Office Products ) #752 in Liquid Ink Rollerball Pens |
| Brand | uni-ball |
| Closure | Click-Off Cap |
| Color | blue |
| Customer Reviews | 4.4 4.4 out of 5 stars (192) |
| Date First Available | 20 March 2017 |
| Grip Type | Contoured |
| Ink Color | Blue |
| Item Weight | 32 g |
| Line Size | 0.5mm |
| Manufacturer | uni-ball |
| Manufacturer Part Number | UBA-188-M |
| Material Type | Metal, Plastic |
| Model number | SG_B01MCWC2MG_US |
| Number of Items | 1 |
| Package Dimensions | 13.89 x 4.19 x 1.4 cm; 32 g |
| Point Type | Fine |
| Size | 3 Count (Pack of 1) |

## Product Details

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

## Images

![Uni-Ball AIR Micro - 0.5mm Fine Rollerball - Pack of 3 - Blue - UBA-188-M - Image 1](https://m.media-amazon.com/images/I/8113kv6h23L.jpg)

## Customer Reviews

### ⭐⭐⭐ Review
*by M***T on 16 March 2018*

le stylo est très beau, l'écriture fluide. cependant il ne correspond pas à mon écriture, je tiens le stylo relativement incliné ce qui fait que je me retrouve avec un trait épais. attention aussi à l'encre qui tire vers un bleu cyan foncé. sinon on peut en effet varier le trait en fonction de l'inclinaison. Attention, il ne correspond pas à mon utilisation, d'où les 3 étoiles mais c'est un très bon stylo pour quelqu'un qui a une graphie plus grosse que la mienne ou qui souhaite une écriture qui se rapproche d'une forme calligraphique sans investir dans un stylo plume.

### ⭐⭐⭐⭐⭐ Review
*by M***J on 24 December 2025*

I love these pens. Extremely smooth writing and made well. I perfer blue ink and the blue is the perfect shade blue ink I like.

### ⭐⭐⭐⭐⭐ Review
*by B***. on 17 April 2021*

Muy buen producto. Llego antes de lo programado.

## Frequently Bought Together

- Uni-Ball AIR Micro - 0.5mm Fine Rollerball - Pack of 3 - Blue - UBA-188-M
- Uniball Air Micro Pen, Set of 4 - Black (UBA 188 M)
- Uni-Ball AIR Micro - 0.5mm Fine Rollerball - Blue Ink - Assorted Barrels - 5 Pack

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-04*