---
product_id: 735832355
title: "Uni-ball Signo UM-100 (UM100.64) 0.5mm 1 6 [Komainu-Dou ]"
brand: "uni-ball"
price: "KD 14.39"
currency: KWD
in_stock: true
reviews_count: 5
category: "Uni Ball"
url: https://www.desertcart.com.kw/products/735832355-uni-ball-signo-um-100-um100-64-0-5mm-1
store_origin: KW
region: Kuwait
---

# smudge-proof gel ink rich blue-black color 0.5mm ultra-fine tip Uni-ball Signo UM-100 (UM100.64) 0.5mm 1 6 [Komainu-Dou ]

**Brand:** uni-ball
**Price:** KD 14.39
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write sharp, write smooth — never miss a detail.

## Quick Answers

- **What is this?** Uni-ball Signo UM-100 (UM100.64) 0.5mm 1 6 [Komainu-Dou ] by uni-ball
- **How much does it cost?** KD 14.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/735832355-uni-ball-signo-um-100-um100-64-0-5mm-1)

## 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

- • **Bold Blue-Black Ink:** Stand out with a deep, vibrant ink color that commands attention on every page.
- • **Effortless Smoothness:** Glide through your writing with super smooth gel ink that never blurs or smudges.
- • **Reliable 6-Pack Supply:** Stay prepared with six pens, perfect for your desk, bag, or sharing with your team.
- • **Precision in Every Stroke:** 0.5mm fine tip delivers crisp, clean lines for professional notes and sketches.
- • **Sleek & Lightweight Design:** Comfortable plastic body designed for long writing sessions without fatigue.

## Overview

The Uni-ball Signo UM-100 is a premium gel ink ballpoint pen featuring a precise 0.5mm fine tip and smudge-proof blue-black ink. Sold in a convenient 6-pack, its smooth writing experience and sleek design make it an essential tool for professionals who demand clarity and style in every word.

## Description

Uni-ball Standard Gel Ink Ballpoint Pen Super smooth Ink is not blurred. Pen tip diameter: 0.5mm Ink Color: Blue Black

Review: I love these pens
Review: Best pen

## Features

- Uni-ball Standard Gel Ink Ballpoint Pen
- Super smooth
- Ink is not blurred
- Tip Diameter: 0.5mm Fine Point
- Ink Color: Blue Black

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | uni-ball |
| Model Number | SG_B01N4CN1N2_US |
| Color | blue black |
| Material Type | Plastic |
| Number of Items | 6 |
| Size | 1 Count (Pack of 6) |
| Point Type | Fine |
| Line Size | 0.5 ミリメートル |
| Ink Color | blue black |
| Included Components | Ink Cartridge |
| Product Dimensions | 14.86 x 0.99 x 6.93 cm; 72.57 g |
| Shredded Shape | Standard Gel Ink Ballpoint Pen |

## Product Details

- **Brand:** uni-ball
- **Writing Instrument Form:** Ballpoint Pen
- **Color:** blue black
- **Ink Color:** blue black
- **Age Range (Description):** Adult

## Images

![Uni-ball Signo UM-100 (UM100.64) 0.5mm 1 6 [Komainu-Dou ] - Image 1](https://m.media-amazon.com/images/I/81wB5iWHSdL.jpg)
![Uni-ball Signo UM-100 (UM100.64) 0.5mm 1 6 [Komainu-Dou ] - Image 2](https://m.media-amazon.com/images/I/81J1+UL+TpL.jpg)

## Questions & Answers

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ I love these pens
*by R***6 on October 8, 2020*



### ⭐⭐⭐⭐⭐ Best pen
*by J***J on August 28, 2025*



### ⭐⭐⭐⭐ THIS PEN IS A REAL PLEASURE TO WRITE WITH!
*by H***N on November 19, 2021*



## 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.com.kw/products/735832355-uni-ball-signo-um-100-um100-64-0-5mm-1](https://www.desertcart.com.kw/products/735832355-uni-ball-signo-um-100-um100-64-0-5mm-1)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-05-18*