---
product_id: 267191693
title: "Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set"
brand: "uni-ball"
price: "FREE"
currency: JPY
in_stock: false
reviews_count: 5
category: "Uni Ball"
url: https://www.desertcart.jp/products/267191693-uni-ball-signo-dx-um-151-gel-ink-pen-10
store_origin: JP
region: Japan
---

# smooth gel ink flow, no drag durable, sturdy barrel & tip 0.38mm ultra-fine tip for precision Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set

**Brand:** uni-ball
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

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

## Quick Answers

- **What is this?** Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set by uni-ball
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/267191693-uni-ball-signo-dx-um-151-gel-ink-pen-10)

## 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

- • **Built to Last:** Robust barrel and reinforced tip withstand heavy-handed use without compromising performance.
- • **Effortless Flow:** Smooth gel ink glides seamlessly, eliminating drag even on textured surfaces like watercolor paper.
- • **Perfect for Small Writing:** Ideal for professionals who prefer neat, compact handwriting or intricate doodling.
- • **Precision in Every Stroke:** Ultra-fine 0.38mm tip delivers crisp, clean lines perfect for detailed writing and sketching.
- • **Artist & Writer’s Choice:** Highly sought-after by creatives for its reliability and finesse, now accessible in the US.

## Overview

The Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set features a precision 0.38mm tip with a sturdy barrel designed to endure heavy use. Its smooth-flowing gel ink ensures consistent, drag-free lines, making it a favorite among artists and writers. This hard-to-find gem in the US combines durability with finesse, perfect for detailed writing, sketching, and small handwriting.

## Description

1. The Uni Signo DX (UM-151) is claimed by some to be even better than the Pilot Hi-Tec-C! It comes in 0.38mm tip size. The barrel and tip are a bit sturdier than the Hi-Tec-C, which might explain why converts love them. Users can enjoy clean and even flowing lines, and the strong tips can withstand all the heavy handed writing you can offer. Like all our other pens, the Uni Signo DX is highly sought after by artists and writers alike, but difficult to find in the US.

Review: Absolute favourites - These are my absolute favourite pens for everyday use, and for drawing over watercolour paintings. I hold a pen in a slightly odd way, and many pens simply do not write for me because of the angle of the pen on the paper. These, however, are totally forgiving, and give a really clear line of consistent thickness, which is really important to me when doing fine 'doodles' on top of watercolour paintings. there is absolutely no drag or 'stop-start' of the pens even on 'rough' watercolour paper. I also use the 0.28 ones, but they are slightly more difficult to get hold of.
Review: Perfect for people who like to write SMALL :) - LOVELY pens for us folks who like to write and print in small form. Second time buying a pack of them. They last a good amount of time, but I keep giving them to people! LOL

## Features

- Users can enjoy clean and even flowing lines, and the strong tips can withstand all the heavy handed writing you can offer
- The Uni Signo DX is highly sought after by artists and writers alike, but difficult to find in the US
- The barrel and tip are a bit sturdier than the Hi-Tec-C, which might explain why converts love them; Users can enjoy clean and even flowing lines, and the strong tips can withstand all the heavy handed writing you can offer
- Like all our other pens, the Uni Signo DX is highly sought after by artists and writers alike, but difficult to find in the US

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003FXWGWE |
| Additional Features | Gel ink |
| Age Range Description | Adult |
| Age range (description) | Adult |
| Animal Theme | no animal theme |
| Best Sellers Rank | #62,755 in Office Products ( See Top 100 in Office Products ) #1,459 in Gel Ink Rollerball Pens |
| Body Shape | Round |
| Brand | uni-ball |
| Brand Name | uni-ball |
| Closure Type | Retractable |
| Color | Black |
| Colour | Black |
| Customer Reviews | 4.7 out of 5 stars 1,578 Reviews |
| Drill Point | Fine |
| Grip Type | Contoured |
| Hand Orientation | Ambidextrous |
| Included Components | Pack of 10 |
| Ink Base | Water |
| Ink Color | Black |
| Ink colour | Black |
| Item Diameter | 0.38 Millimeters |
| Item Dimensions | 12.7 x 5.1 x 10.2 centimeters |
| Item Weight | 91 g |
| Line Size | 0_3mm |
| Manufacturer | uni-ball |
| Material | Plastic |
| Material Type | Plastic |
| Model Name | DX |
| Model Number | UM151.24 |
| Recommended Uses For Product | Calligraphy, Sketching, Writing |
| Style | Modern |
| Subject Character | Love |
| Theme | Artistic Writing |
| UPC | 700600929625 |
| Unit Count | 10.0 Count |
| Water Resistance Level | Not Water Resistant |
| Writing Instrument Form | Gel Pen |
| Writing Technique | Gel Ink |
| Writing instrument form | Gel Pen |

## Product Details

- **Age range (description):** Adult
- **Brand:** uni-ball
- **Colour:** Black
- **Ink colour:** Black
- **Writing instrument form:** Ballpoint Pen

## Images

![Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set - Image 1](https://m.media-amazon.com/images/I/61gJkqd+8aL.jpg)
![Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set - Image 2](https://m.media-amazon.com/images/I/51WqC5ieFaL.jpg)
![Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set - Image 3](https://m.media-amazon.com/images/I/41GNdnm2WlL.jpg)
![Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set - Image 4](https://m.media-amazon.com/images/I/41OEf7YA63L.jpg)

## Questions & Answers

**Q: Is this pen retractable?**
A: Not retractable but it is the best pen I have ever used, no ink globs yet and I have gone through two packs so far.  The pen has a removable cap with an atypical clasp.

**Q: Is the pen with the label "umr-1" and the pen with the label "um-151" the exact same pen?**
A: The pens I purchased carry both labels on them.  I am not aware of pens with just one of those two label references.

**Q: Do these ship directly from Japan?**
A: Yes

**Q: Is this fake? Because I have the original one from a japanese store it doesnt have the chinese symbol on the cap.**
A: Not sure what you mean by "fake".  I've purchased and repurchased these wonderful pens through Amazon and this dealer, no problems.  Mine show Japanese symbols on the pen shaft, not the cap.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Absolute favourites
*by J***E on 18 August 2026*

These are my absolute favourite pens for everyday use, and for drawing over watercolour paintings. I hold a pen in a slightly odd way, and many pens simply do not write for me because of the angle of the pen on the paper. These, however, are totally forgiving, and give a really clear line of consistent thickness, which is really important to me when doing fine 'doodles' on top of watercolour paintings. there is absolutely no drag or 'stop-start' of the pens even on 'rough' watercolour paper. I also use the 0.28 ones, but they are slightly more difficult to get hold of.

### ⭐⭐⭐⭐⭐ Perfect for people who like to write SMALL :)
*by J***N on 12 March 2026*

LOVELY pens for us folks who like to write and print in small form. Second time buying a pack of them. They last a good amount of time, but I keep giving them to people! LOL

### ⭐⭐⭐⭐⭐ Wundervoll dünne Strichführung
*by 0***N on 14 December 2016*

Sie sind so dünn, dass man mikroskopisch klein schreiben kann. Dabei ist aber die Tinte weich genug, damit man nicht kratzt und krakelt. Die Tinte franst tatsächlich nicht aus, trocknet wirklich schnell und ist wisch und wasserfest. Der Tintenverbrauch geht. Ich habe einen markiert und schaue seit dem, wie schnell die Tinte von der Markierung abwärts sinkt. Wer den Gelschreiber für die Schule kauft, sollte sich lieber ein günstiges 10er Pack holen, statt ihn einzeln zu kaufen, weil er sonst schneller als erwartet ohne Tinte dastehen könnte. Inzwischen bin ich ein großer Fan aller Uni-Ball Stifte und das sind meine absoluten Lieblinge!!! PS.: Nachtrag einige Monate später - Für das nachziehen der Außenlinien einer Zeichnung, sind sie nur bedingt geeignet. Der Radierer läßt sie IMMER verschmieren. Das hat scheinbar nichts damit zu tun, wie lange die Schrift trocknen konnte. Also ACHTUNG. Wem diese übrigens zu "dick" sind, kann noch auf 0,28 runter.

## Frequently Bought Together

- uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil
- MAIKEDEPOT Felt Tip Pens, 15pcs Calligraphy pen Assorted Colors Sign Brush Pen Art Brush Marker Water Based Journaling Pen Set for Beginners Beginner Adult Lettering, Calligraphy (15pcs)
- SAKURA Pigma Micron Fineliner Pens - Archival Black Ink Pens - Pens for Writing, Drawing, or Bullet Journaling - Assorted Point Sizes - 6 Pack

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/267191693-uni-ball-signo-dx-um-151-gel-ink-pen-10](https://www.desertcart.jp/products/267191693-uni-ball-signo-dx-um-151-gel-ink-pen-10)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-20*