---
product_id: 122447363
title: "UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10"
brand: "uni-ball"
price: "¥7030"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/122447363-ub-150-rollerball-pens-0-5-mm-tip-red-ink
store_origin: JP
region: Japan
---

# Transparent barrel shows ink level Vibrant waterproof red pigment ink 0.5mm micro tip for precision UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10

**Brand:** uni-ball
**Price:** ¥7030
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write Boldly, Lead Confidently

## Quick Answers

- **What is this?** UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10 by uni-ball
- **How much does it cost?** ¥7030 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/122447363-ub-150-rollerball-pens-0-5-mm-tip-red-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

- • **Ink That Keeps Up:** Waterproof pigment ink with Uni-Flow system ensures smooth, uninterrupted flow to the last drop.
- • **Precision in Every Stroke:** Micro 0.5mm tip delivers ultra-fine 0.3mm lines for flawless writing.
- • **See Your Ink, Never Run Out:** Transparent barrel design lets you track ink levels at a glance—no surprises.
- • **Built to Last, Made in Japan:** Crafted by Mitsubishi Pencil Co. with tungsten carbide stainless steel tip for durability and reliability.
- • **Trusted by Professionals for Over a Decade:** A decade-long favorite for managers and creatives who demand consistent quality.

## Overview

The uni-ball UB-150 Rollerball Pen pack features 10 precision-engineered pens with a 0.5mm micro tip that writes ultra-fine 0.3mm lines in vibrant, waterproof red pigment ink. Made in Japan by Mitsubishi Pencil Co., each pen boasts a durable tungsten carbide stainless steel tip and a transparent barrel to monitor ink levels. Equipped with the Uni-Flow system, these pens guarantee smooth, consistent writing until the very last drop—trusted by professionals for over 10 years.

## Description

UB-150 Rollerball Pens - 0.5 mm Tip - Red Ink - Pack of 10

## Features

- 100% made in Japan by Mitsubishi Pencil Co.Ltd
- Micro 0.5mm tip ,writes a 0.3mm line.The see through ink barrel lets you see how much ink is left.
- 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 comfortable to use.A favourite for over 10 years.
- Stainless-steel tip with tungsten carbide ball. with 3 colours(black,blue,red).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Uni-ball |
| Brand | uni-ball |
| Model Number | BC30862 |
| Product Dimensions | 14 x 7.01 x 2.01 cm; 113.4 g |
| Colour | Red |
| Closure | Click-Off Cap |
| Grip Type | Ribbed |
| Material Type | Tungsten Carbide Stainless Steel |
| Number of Items | 10 |
| Size | 1 Count (Pack of 10) |
| Point Type | Micro |
| Line Size | 0.5mm |
| Ink Colour | Red |
| Manufacturer Part Number | UB150 |
| Item Weight | 113 g |

## Product Details

- **Brand:** uni-ball
- **Writing instrument form:** Roller Ball Pen
- **Colour:** Red
- **Ink colour:** Red
- **Age range (description):** Adult
- **Material:** Tungsten Carbide Stainless Steel
- **Point type:** Micro
- **Special feature:** Waterproof
- **Unit count:** 10 Count
- **Model name:** uni UB 150

## Images

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

## Available Options

This product comes in different **Colour Name** options.

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**Shop now:** [https://www.desertcart.jp/products/122447363-ub-150-rollerball-pens-0-5-mm-tip-red-ink](https://www.desertcart.jp/products/122447363-ub-150-rollerball-pens-0-5-mm-tip-red-ink)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-25*