---
product_id: 115083514
title: "uni-ball UM-153S Signo Gel Impact Rollerball Pen"
brand: "uni-ball"
price: "R110"
currency: ZAR
in_stock: true
category: "Uni Ball"
url: https://www.desertcart.co.za/products/115083514-uni-ball-um-153s-signo-gel-impact-rollerball-pen
store_origin: ZA
region: South Africa
---

# Water & fade resistant ink Comfort rubber grip 1.0mm bold line uni-ball UM-153S Signo Gel Impact Rollerball Pen

**Brand:** uni-ball
**Price:** R110
**Availability:** ✅ In Stock

## Summary

> 🖊️ Write Bold. Stay Sharp. Never Fade.

## Quick Answers

- **What is this?** uni-ball UM-153S Signo Gel Impact Rollerball Pen by uni-ball
- **How much does it cost?** R110 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/115083514-uni-ball-um-153s-signo-gel-impact-rollerball-pen)

## 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

- • **No-Leak Confidence:** Secure capped top prevents leaks, so your pen stays pristine in pockets or bags.
- • **Value-Packed 12-Pack:** Stay stocked and ready with a dozen premium black gel pens—because running out is not an option.
- • **Unmatched Ink Durability:** Uni-Ball Super Ink bonds to paper fibers—fade, water, and chemical resistant for lasting impressions.
- • **Effortless Comfort Writing:** Ergonomic rubber grip reduces hand fatigue during long note-taking or brainstorming sessions.
- • **Bold, Vivid Lines Every Time:** 1.0mm gel tip delivers smooth, standout strokes perfect for bold handwriting.

## Overview

The Uni-Ball Gel Impact Rollerball Pen features a 1.0mm broad tip with vivid, fade-resistant gel ink that bonds to paper fibers for water and chemical resistance. Designed for professionals who demand smooth, bold writing, it includes a comfortable rubber grip and a secure capped top to prevent leaks. Available in a convenient 12-pack, these pens ensure you never run out of reliable, high-performance ink.

## Description

The Uniball Signo Gel Pen is the perfect ballpoint pen for anyone with a bold writing style. It is filled with gel ink that is super smooth, and has a vivid pigment that will stand out from the rest. The gel ink is an advanced Uni-Ball Super Ink, an ink formula that bonds to paper fibers. It is resistant to chemicals that wash dye-based ink from checks. Super ink is also fade resistant, water resistant, and acid free. This vibrant gel ink doesn't skip or stutter, even on glossy paper, and gives bold, easy to read lines. The broad 0.6mm writing line is ideal for anyone with large handwriting style. The rubber grip makes this pen comfortable and easy to write with, and a capped top stays put and ensures that this pen will never leak in your pocket. Black Ink in a Box of 12.

## Features

- Gel ink in the pen is super smooth, and has a vivid pigment that will stand out from the rest, black Ink pens in a Box of 12
- Filled with Uni-Ball Super Ink, an advanced ink formula that bonds to paper fibers, fade resistant, water resistant, and acid free, resistant to chemicals that wash dye-based ink from checks
- Vibrant gel ink doesn't skip or stutter, even on glossy paper, and gives bold, easy to read lines
- Broad 0.6mm writing line is ideal for anyone with a large or bold handwriting style
- Rubber grip makes this pen comfortable and easy to write with, capped top stays put and ensures that this pen will never leak in your pocket

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000I6M55Y |
| Additional Features | Fade Resistant, Quick Drying, Soft Grip, Tamper proof, Visible Ink Level, Waterproof |
| Age Range Description | Adult |
| Best Sellers Rank | #257,050 in Office Products ( See Top 100 in Office Products ) #3,615 in Gel Ink Pens |
| Body Shape | Round |
| Brand Name | Uni-Ball |
| Closure Type | Click-Off Cap |
| Color | Black Gel |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,905) |
| Drill Point | Broad |
| Global Trade Identification Number | 04902778921616, 04902778928264 |
| Grip Type | Comfort grip |
| Hand Orientation | Ambidextrous |
| Included Components | Storage Case |
| Ink Base | Water |
| Ink Color | Black |
| Item Diameter | 1 centimeters |
| Item Dimensions | 0.06 x 0.01 x 0.03 inches |
| Item Type Name | Rollerball gel pens |
| Item Weight | 10 g |
| Line Size | 1.0mm |
| Manufacturer | Uni Mitsubishi Pencil Company Ltd |
| Material Type | Rubber |
| Model Name | UM-153S |
| Model Number | 218990000 |
| Pattern | Single |
| Recommended Uses For Product | Writing |
| Style | 12 Black Broad 1mm |
| Unit Count | 12 Count |
| Water Resistance Level | Water Resistant |
| Writing Instrument Form | Roller Ball Pen |
| Writing Technique | gel ink |

## Product Details

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

## Images

![uni-ball UM-153S Signo Gel Impact Rollerball Pen - Image 1](https://m.media-amazon.com/images/I/41ddIsuzONL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- Uni-ball 218990000 UM-153S Signo Impact Gel Pens with Rubber Grip, Black Gel, 1mm Nib (Pack of 12)
- Uni Ball Red Capped (UM-153S) Gel Impact Rollerball Pen Ball Point Pens Broad 1mm Tip Nib 0.6mm Line Width Ink (Pack Of 3)
- Uni TS-140143 Signo UM-153S Gel Impact Rollerball Pen, 0.6mm Line Width, 1.0mm Tip Width, Blue, Pack of 6

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**Shop now:** [https://www.desertcart.co.za/products/115083514-uni-ball-um-153s-signo-gel-impact-rollerball-pen](https://www.desertcart.co.za/products/115083514-uni-ball-um-153s-signo-gel-impact-rollerball-pen)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-10-09*