---
product_id: 48279350
title: "Uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil"
brand: "uni-ball"
price: "R814"
currency: ZAR
in_stock: true
category: "Uni Ball"
url: https://www.desertcart.co.za/products/48279350-uni-ball-signo-dx-um-151-gel-ink-pen-0
store_origin: ZA
region: South Africa
---

# smooth gel ink flow for flawless lines durable tip withstands heavy writing 0.38mm ultra-fine tip for precision Uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil

**Brand:** uni-ball
**Price:** R814
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write sharp, write bold — the pen that pros swear by!

## Quick Answers

- **What is this?** Uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil by uni-ball
- **How much does it cost?** R814 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/48279350-uni-ball-signo-dx-um-151-gel-ink-pen-0)

## 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 tip design endures even the heaviest writing sessions without faltering.
- • **Exclusive Find:** Rare and highly sought-after in the US, owning this pen sets you apart from the crowd.
- • **Comfort Meets Style:** Contoured grip and sleek rectangular barrel combine ergonomic comfort with modern aesthetics.
- • **Precision Perfected:** Experience ultra-fine 0.38mm tip for crisp, clean lines that elevate your notes and sketches.
- • **Artist & Writer Favorite:** Trusted by creatives worldwide, this pen delivers consistent, smooth gel ink flow every time.

## Overview

The Uni-ball Signo DX UM-151 is a premium Japanese gel ink pen featuring a precise 0.38mm tip and a durable design that withstands heavy use. Loved by artists and writers for its smooth, consistent ink flow and ergonomic grip, this pack of 10 black pens offers a rare blend of reliability and finesse, making it a must-have for professionals who demand excellence in every stroke.

## Description

Uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil : desertcart.co.uk: Stationery & Office Supplies

## Features

- Uni-Ball Signo DX 0.38 by 151 Gel Ink Pen, Pack of 10 (Black)
- 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 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003FXWGWE |
| Age Range Description | Adult |
| Best Sellers Rank | 16,264 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 254 in Gel Ink Rollerball Pens |
| Body Shape | Rectangular |
| Brand Name | uni-ball |
| Closure Type | Click-Off Cap |
| Colour | Black |
| Country Of Origin | Japan |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,603) |
| Drill Point | Fine |
| Grip Type | Contoured |
| Included Components | Pack of 10 |
| Ink Base | Hybrid |
| Ink Colour | Black |
| Is the Product Left or Right Handed? | Ambidextrous |
| Item Diameter | 0.38 Millimetres |
| Item Dimensions | 12.7 x 5.1 x 10.2 centimetres |
| Item Weight | 0.2 Pounds |
| Line Size | 0.3mm |
| Manufacturer | Uni-Ball |
| Material Type | Plastic |
| Model Name | Signo DX UM-151 |
| Model Number | UM151.24 |
| Recommended Uses For Product | Writing |
| Special Features | Liquid Ink |
| Style | Modern |
| 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 |

## Product Details

- **Age range (description):** Adult
- **Brand:** uni-ball
- **Colour:** Black
- **Ink colour:** Black
- **Material:** Plastic
- **Model name:** Signo DX UM-151
- **Point type:** Fine
- **Special feature:** Liquid Ink
- **Unit count:** 10.0 count
- **Writing instrument form:** Gel Pen

## Images

![Uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil - Image 1](https://m.media-amazon.com/images/I/61gJkqd+8aL.jpg)

## Questions & Answers

**Q: Is it a good pen for lefties? Does it dry quickly?**
A: Hai! Watashiwa hidari-kiki desu! :) Yes, I'm left-handed), and I find the Mitsubishi UM-151 one of the most pleasant pens to write with.

**Q: Could you tell me if the pens contain waterproof ink.**
A: No, it's not waterproof ink.

## Frequently Bought Together

- uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil
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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-10-22*