---
product_id: 263418871
title: "Signo Standard Gel Ink Ballpoint Pen UM-100 (UM100.64), Blue Black, 0.5mm, 6 pens per Pack (Japan Import) [Komainu-Dou Original Package]"
brand: "uniball"
price: "105.83 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/263418871-signo-standard-gel-ink-ballpoint-pen-um-100-um100-64
store_origin: TN
region: Tunisia
---

# smudge-proof gel ink 6-pack Japan import 0.5mm ultra-fine tip Signo Standard Gel Ink Ballpoint Pen UM-100 (UM100.64), Blue Black, 0.5mm, 6 pens per Pack (Japan Import) [Komainu-Dou Original Package]

**Brand:** uniball
**Price:** 105.83 DT
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write sharp, write smart — your signature style starts here!

## Quick Answers

- **What is this?** Signo Standard Gel Ink Ballpoint Pen UM-100 (UM100.64), Blue Black, 0.5mm, 6 pens per Pack (Japan Import) [Komainu-Dou Original Package] by uniball
- **How much does it cost?** 105.83 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/263418871-signo-standard-gel-ink-ballpoint-pen-um-100-um100-64)

## Best For

- uniball enthusiasts

## Why This Product

- Trusted uniball brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Value-Packed Set:** Stay stocked and ready with a convenient 6-pen pack designed for busy professionals on the go.
- • **Reliable Smoothness:** Glide effortlessly across pages with ink engineered for consistent, smooth flow every time.
- • **Exclusive Japan Import:** Stand out with authentic Komainu-Dou original packaging, a mark of quality and style.
- • **Smudge-Free Confidence:** Enjoy vibrant blue-black gel ink that dries quickly and resists blurring—perfect for professional notes and signatures.
- • **Precision in Every Stroke:** Experience flawless writing with the ultra-fine 0.5mm tip that delivers crisp, clean lines.

## Overview

The Signo Standard Gel Ink Ballpoint Pen UM-100 features a precise 0.5mm fine tip and vibrant blue-black gel ink that dries quickly without smudging. Imported from Japan and sold in a convenient 6-pen pack, it offers smooth, reliable writing ideal for professionals seeking quality and style in everyday tools.

## Description

Signo Standard Gel Ink Ballpoint Pen UM-100 (UM100.64), Blue Black, 0.5mm, 6 pens per Pack (Japan Import) [Komainu-Dou Original Package]

## Features

- About this item
- .
- P.when("ReplacementPartsBulletLoader").execute(function(module){ module.initializeDPX(); })
- Uni-ball Standard Gel Ink Ballpoint Pen
- Very smooth.
- The ink is not blurred.
- Pen tip diameter: 0.5 mm. Fine Point.
- Ink Color: Blue Bｌack

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Mitsubishi Pencil Co., Ltd. |
| Brand | Uni-Ball |
| Item Weight | 2.56 ounces |
| Product Dimensions | 5.85 x 0.39 x 2.73 inches |
| Item model number | SG_B01N4CN1N2_US |
| Is Discontinued By Manufacturer | No |
| Color | Blue Black |
| Closure | Snap |
| Grip Type | Contoured |
| Material Type | Plastic |
| Number of Items | 6 |
| Size | 1 Count (Pack of 6) |
| Point Type | ball tip |
| Line Size | 0.5 Millimeters |
| Ink Color | Blue,Black |
| Manufacturer Part Number | UM100.64/6p |

## Product Details

- **Brand:** Uni-Ball
- **Writing Instrument Form:** Ballpoint Pen
- **Color:** Blue Black
- **Ink Color:** Blue,Black
- **Age Range (Description):** teens, adults

## Images

![Signo Standard Gel Ink Ballpoint Pen UM-100 (UM100.64), Blue Black, 0.5mm, 6 pens per Pack (Japan Import) [Komainu-Dou Original Package] - Image 1](https://images-na.ssl-images-amazon.com/images/I/81wB5iWHSdL.jpg)
![Signo Standard Gel Ink Ballpoint Pen UM-100 (UM100.64), Blue Black, 0.5mm, 6 pens per Pack (Japan Import) [Komainu-Dou Original Package] - Image 2](https://images-na.ssl-images-amazon.com/images/I/81J1%2BUL%2BTpL.jpg)

## Questions & Answers

**Q: What color is the ink?**
A: Blue-Black

## Frequently Bought Together

- Uni-ball Signo Standard Gel Ink Ballpoint Pen UM-100 (UM100.64), Blue Black, 0.5mm, 6 pens per Pack (Japan Import) [Komainu-Dou Original Package]
- Uni-ball Signo UM-100 Gel Ink Pen - 0.5 mm -10 Pcs (Black)
- Uni-ball Signo UM-100 0.5mm Gel Ink Rollerball Pen, Red (10 pcs Box)

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**Shop now:** [https://www.desertcart.tn/products/263418871-signo-standard-gel-ink-ballpoint-pen-um-100-um100-64](https://www.desertcart.tn/products/263418871-signo-standard-gel-ink-ballpoint-pen-um-100-um100-64)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-01-25*