---
product_id: 23221504
title: "Signo UM-151 Gel Ink Pen Black, 0.38 mm, 3 pens per Pack (japan import) [Komainu-Dou Original Package]"
brand: "uni-ball"
price: "48 zł"
currency: PLN
in_stock: true
reviews_count: 13
category: "Uni Ball"
url: https://www.desertcart.pl/products/23221504-signo-um-151-gel-ink-pen-black-0-38-mm
store_origin: PL
region: Poland
---

# Waterproof, no smudging or blotting Fade-resistant pigment ink 0.38 mm extra-fine tip for precision Signo UM-151 Gel Ink Pen Black, 0.38 mm, 3 pens per Pack (japan import) [Komainu-Dou Original Package]

**Brand:** uni-ball
**Price:** 48 zł
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write sharp, stay sharp — the pen that means business.

## Quick Answers

- **What is this?** Signo UM-151 Gel Ink Pen Black, 0.38 mm, 3 pens per Pack (japan import) [Komainu-Dou Original Package] by uni-ball
- **How much does it cost?** 48 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/23221504-signo-um-151-gel-ink-pen-black-0-38-mm)

## 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

- • **Ergonomic Comfort:** Balanced weight and grip designed for extended use without fatigue
- • **Precision Perfected:** Ultra-fine 0.38 mm tip for crisp, detailed writing
- • **Smudge-Free Confidence:** Waterproof ink ensures clean, professional notes every time
- • **Fade-Resistant Durability:** Pigment ink stays vibrant under light exposure
- • **Trusted Japanese Craftsmanship:** Imported from Japan, delivering unmatched quality and reliability

## Overview

The Uni-ball Signo UM-151 Gel Ink Pen features a precise 0.38 mm extra-fine tip with fade-resistant pigment ink that is waterproof and smudge-proof. Designed for professionals who demand clarity and durability, this Japanese-imported pen offers smooth, consistent ink flow and ergonomic comfort, making it ideal for detailed writing and note-taking. Packaged in a convenient 3-pen set, it’s a must-have for anyone serious about their writing tools.

## Description

desertcart.com: Uni-ball Signo UM-151 Gel Ink Pen Black, 0.38 mm, 3 pens per Pack (japan import) [Komainu-Dou Original Package] : Office Products

Review: My New Favorite Pen — Smooth, Precise, and Perfect - This was my first time trying the Uni-ball Signo UM-151, and I’m officially converted. I’ll be switching over from my longtime favorite, the Pilot 0.5. The Signo has a nice weight, writes incredibly smooth, and the 0.38 tip gives me the precision I didn’t realize I was missing — perfect for detailed writing or small notes. The ink flow is clean and consistent with no skipping or smudging, and it feels balanced and comfortable in hand. I’m impressed with the quality and control — this pen just makes writing more satisfying.
Review: When writing space is tight... - These are well made rollerball pens with good ink flow and a small tip that allows me to write smaller that I might normally. There are a number of colors available.

## Features

- The pigment ink is used.
- It is strong in fading by light.
- The ink does not blot to water.
- In Bulk Package
- Japan Import

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00LH35ZWW |
| Best Sellers Rank | #63,439 in Office Products ( See Top 100 in Office Products ) #1,362 in Gel Ink Pens |
| Brand | Uni-Ball |
| Closure | Snap |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (290) |
| Date First Available | July 2, 2014 |
| Grip Type | Ergonomic Grip |
| Ink Color | Black |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.32 ounces |
| Item model number | BC27066 |
| Line Size | 0.38 Millimeters |
| Manufacturer | Mitsubishi Pencil Co., Ltd. |
| Manufacturer Part Number | BC27066 |
| Material Type | Plastic |
| Number of Items | 1 |
| Point Type | Extra Fine |
| Product Dimensions | 5.71 x 0.79 x 1.77 inches |
| Size | 3 Count (Pack of 1) |

## Product Details

- **Age Range (Description):** All Ages
- **Brand:** Uni-Ball
- **Color:** Black
- **Ink Color:** Black
- **Writing Instrument Form:** Roller Ball Pen

## Images

![Signo UM-151 Gel Ink Pen Black, 0.38 mm, 3 pens per Pack (japan import) [Komainu-Dou Original Package] - Image 1](https://m.media-amazon.com/images/I/91luS4BoMmL.jpg)

## Questions & Answers

**Q: Is this a pack of three?**
A: When I bought these quite some time ago, it was 3 in a pack. Make sure you check the quantity listed.

**Q: Are these pens Made in Japan?**
A: Yes, this is the genuine products of Japan

**Q: Is this one has the original cap that has Japanese writing and doesn’t say DX?**
A: the cap is in english and says uniball signo DX 0.38
the sticker on the end of the pen has Japanese writing on it though and says made in Japan

**Q: Is the ink waterproof?**
A: It appears to be.

## Customer Reviews

### ⭐⭐⭐⭐⭐ My New Favorite Pen — Smooth, Precise, and Perfect
*by D***I on October 30, 2025*

This was my first time trying the Uni-ball Signo UM-151, and I’m officially converted. I’ll be switching over from my longtime favorite, the Pilot 0.5. The Signo has a nice weight, writes incredibly smooth, and the 0.38 tip gives me the precision I didn’t realize I was missing — perfect for detailed writing or small notes. The ink flow is clean and consistent with no skipping or smudging, and it feels balanced and comfortable in hand. I’m impressed with the quality and control — this pen just makes writing more satisfying.

### ⭐⭐⭐⭐⭐ When writing space is tight...
*by J***M on May 2, 2025*

These are well made rollerball pens with good ink flow and a small tip that allows me to write smaller that I might normally. There are a number of colors available.

### ⭐⭐⭐⭐⭐ Great pens if you like a really fine point.
*by R***N on May 20, 2025*

These pens write very nicely.

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-30*