---
product_id: 138610735
title: "Uniball Eye UB150 0.5mm Roller Ball Pen | Black Ink, Pack of 6"
brand: "uni-ball"
price: "¥1818"
currency: JPY
in_stock: true
reviews_count: 8
url: https://www.desertcart.jp/products/138610735-uniball-eye-ub150-0-5mm-roller-ball-pen-black-ink
store_origin: JP
region: Japan
---

# Consistent black ink till last drop Tungsten carbide ball for smooth flow 0.5mm precision tip Uniball Eye UB150 0.5mm Roller Ball Pen | Black Ink, Pack of 6

**Brand:** uni-ball
**Price:** ¥1818
**Availability:** ✅ In Stock

## Summary

> 🖊️ Write sharp, write smooth, write to impress.

## Quick Answers

- **What is this?** Uniball Eye UB150 0.5mm Roller Ball Pen | Black Ink, Pack of 6 by uni-ball
- **How much does it cost?** ¥1818 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/138610735-uniball-eye-ub150-0-5mm-roller-ball-pen-black-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

- • **Enduring Ink:** Consistent black ink flow guarantees flawless writing until the very last word.
- • **Effortless Flow:** Tungsten carbide ball ensures smooth, skip-free writing every time.
- • **Sleek & Reliable:** Durable plastic barrel with click-off cap combines style with convenience.
- • **Precision Perfected:** 0.5mm fine tip delivers crisp, clean lines for professional notes and sketches.
- • **Versatile Essential:** Ideal for journaling, note-taking, and creative tasks—your everyday writing companion.

## Overview

The Uni-ball Eye UB150 is a pack of six black ink rollerball pens featuring a 0.5mm tungsten carbide tip for precise, smooth writing. Designed with a durable plastic barrel and click-off cap, these pens deliver consistent ink flow until the last drop, making them perfect for professional, academic, and creative use.

## Description

Full description not available

## Features

- Package Includes : uni-ball Eye UB150 Roller Ball Pen, Tip Size - 0.5 mm, Mechanism - Click-off Cap, Body Color - Black, Ink Color - Black, Size - Pack of 6.
- This pen has a stainless-steel tip with a 0.5 mm tungsten carbide ball & plastic barrel.
- The pen ensures a continuous write with the same thickness till the last drop of the ink.
- The pen gives a smooth & delightful writing experience.
- These writing instruments are perfect gifts for the guest book table at conventions, parties & so much more. These pens are suitable for school, office & home. Ideal for writing, journaling, note-taking, underlining, sketching & more.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Mitsubishi Pencil Co., Mitsubishi Pencil Company Limited, 5-23-37, Higashi-Ohi,Shinagawa,Tokyo 140-8537, Japan |
| Brand | uni-ball |
| Model Number | UB150 |
| Colour | Black |
| Closure | cap |
| Grip Type | Advance |
| Material | Plastic |
| Number of Items | 6 |
| Size | 1 count (Pack of 6) |
| Point Type | Fine |
| Line Size | 0.5 |
| Ink Colour | Black |
| Manufacturer Part Number | UB150 |
| Manufacturer | Mitsubishi Pencil Co. |

## Product Details

- **Brand:** uni-ball
- **Writing instrument form:** Roller Ball Pen
- **Colour:** Black
- **Ink Colour:** Black
- **Age Range (Description):** Adult

## Images

![Uniball Eye UB150 0.5mm Roller Ball Pen | Black Ink, Pack of 6 - Image 1](https://m.media-amazon.com/images/I/81fr5pl6yCL.jpg)

## Available Options

This product comes in different **Pattern, Color, Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ You should buy this
*by T***R on 28 June 2025*

Why did you pick this product vs others?:Writting experience is very good

### ⭐⭐⭐⭐⭐ My favourite ❤️
*by A***E on 19 June 2025*

A smooth writter, with non stop ink flow.Looks classy and no problem for leakage.Must buy 👑

### ⭐⭐⭐⭐ Good product
*by A***R on 27 May 2025*

Good product

## Frequently Bought Together

- UNI-Ball Eye UB150 Roller Pen (Black Ink, Pack of 6)
- Uni-Ball Eye Fine Rollerball Pen 0.7 Mm Line Ub-157 Black Pack Of 5
- Uni-Ball Eye Ub-157 Fine Liquid Ink Rollerball Pen - Tropical Set - Pack Of 5

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**Shop now:** [https://www.desertcart.jp/products/138610735-uniball-eye-ub150-0-5mm-roller-ball-pen-black-ink](https://www.desertcart.jp/products/138610735-uniball-eye-ub150-0-5mm-roller-ball-pen-black-ink)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-18*