---
product_id: 410935831
title: "uni-ball Air Micro Pen, Set of 4 - Black (UBA 188 M)"
brand: "uni-ball"
price: "$10.11"
currency: USD
in_stock: true
reviews_count: 5
category: "Uni Ball"
url: https://www.desertcart.us/products/410935831-uni-ball-air-micro-pen-set-of-4-black-uba
store_origin: US
region: United States of America
---

# Smooth black ink flow Click-off cap mechanism 0.5mm precision tip uni-ball Air Micro Pen, Set of 4 - Black (UBA 188 M)

**Brand:** uni-ball
**Price:** $10.11
**Availability:** ✅ In Stock

## Summary

> 🖊️ Write Sharp, Write Smooth, Write Now!

## Quick Answers

- **What is this?** uni-ball Air Micro Pen, Set of 4 - Black (UBA 188 M) by uni-ball
- **How much does it cost?** $10.11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/410935831-uni-ball-air-micro-pen-set-of-4-black-uba)

## 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

- • **Ready When You Are:** Convenient click-off cap design for quick, one-handed use—no fuss, no mess.
- • **Effortless Ink Flow:** Innovative acetal plastic nib housing ensures smooth, consistent writing without skips.
- • **Last Drop Reliability:** Engineered to maintain consistent line thickness until the very last drop of ink—no surprises.
- • **Pack of Four, Power of Many:** Stay stocked and stylish with a set of 4 sleek black pens, perfect for your desk or on-the-go.
- • **Precision at Your Fingertips:** Ultra-fine 0.5mm tip for crisp, clean lines every time.

## Overview

The uni-ball Air Micro Pen Set of 4 features a 0.5mm fine tip with a unique acetal plastic nib housing that delivers smooth, consistent black ink flow. Designed with a convenient click-off cap, these pens ensure effortless, precise writing and maintain line consistency until the ink runs out. Perfect for professionals who demand reliability and style in their everyday writing tools.

## Description

Welcome to the world of writing, a world of expression. Welcome to the world of Uni-Ball. Our range of innovative products are designed to make your life smoother and better. UNI-BALL is the newest addition into our wide range of mighty weapon. It is the most Trusted & Popular Product. Pack of 4Ink Color: Black

Review: Best quality ink and feel....
Review: I am a daily pen user, I’ve been looking for a good one and these are the best ones I’ve found, they are so good and I love how the tip writes like a pencil

## Features

- Package Includes : uni-ball Air UBA188M Micro Roller Ball Pen, Tip Size - 0.5 mm, Mechanism - Click-off Cap, Body Color - Black, Ink Color - Black, Size - Pack of 4.
- 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 pen ensures a continuous write with the same thickness till the last drop of the ink.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07JVWY1GK |
| Best Sellers Rank | #7,561 in Office Products ( See Top 100 in Office Products ) #88 in Liquid Ink Rollerball Pens |
| Brand | uni-ball |
| Closure | Click-Off Cap |
| Color | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,509) |
| Date First Available | 10 March 2020 |
| Grip Type | Advance |
| Ink Color | Black |
| Item Weight | 44 g |
| Line Size | 0.5mm |
| Manufacturer | MITSUBISHI PENCIL CO. |
| Manufacturer Part Number | UNP188MBK4 |
| Material Type | Plastic |
| Model number | UNP188MBK4 |
| Number of Items | 4 |
| Point Type | Fine |
| Product Dimensions | 15 x 1.5 x 4 cm; 44 g |
| Size | 1 count (Pack of 4) |

## Product Details

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

## Images

![uni-ball Air Micro Pen, Set of 4 - Black (UBA 188 M) - Image 1](https://m.media-amazon.com/images/I/81NO--Ggg9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by D***I on 10 October 2024*

Best quality ink and feel....

### ⭐⭐⭐⭐⭐ Review
*by P***7 on 31 January 2026*

I am a daily pen user, I’ve been looking for a good one and these are the best ones I’ve found, they are so good and I love how the tip writes like a pencil

### ⭐⭐⭐⭐⭐ Review
*by A***A on 26 October 2025*

The best drawing/writing pens that exist. Hands down.

## Frequently Bought Together

- Uniball Air Micro Pen, Set of 4 - Black (UBA 188 M)
- PILOT Precise V10 RT Refillable & Retractable Rolling Ball Pens, Bold Point, Black Ink, 4-Pack
- Pilot Precise V10 Retractable Rolling Ball Pens, Bold Point, 1.0 mm, Assorted, Pack Of 4 Pens

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/410935831-uni-ball-air-micro-pen-set-of-4-black-uba](https://www.desertcart.us/products/410935831-uni-ball-air-micro-pen-set-of-4-black-uba)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-27*