---
product_id: 10764442
title: "uni Ball Signo Knock Ballpoint Pen RT1 0.38mm Color, Black (UMN15538.24)"
brand: "三菱鉛筆"
price: "₨3930"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/10764442-uni-ball-signo-knock-ballpoint-pen-rt1-0-38mm-color
store_origin: LK
region: Sri Lanka
---

# Ergonomic rubber grip for all-day comfort Sleek black ink for bold statements 0.38mm ultra-fine precision uni Ball Signo Knock Ballpoint Pen RT1 0.38mm Color, Black (UMN15538.24)

**Brand:** 三菱鉛筆
**Price:** ₨3930
**Availability:** ✅ In Stock

## Summary

> 🖊️ Write Your Future in Ultra-Fine Style

## Quick Answers

- **What is this?** uni Ball Signo Knock Ballpoint Pen RT1 0.38mm Color, Black (UMN15538.24) by 三菱鉛筆
- **How much does it cost?** ₨3930 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/10764442-uni-ball-signo-knock-ballpoint-pen-rt1-0-38mm-color)

## Best For

- 三菱鉛筆 enthusiasts

## Why This Product

- Trusted 三菱鉛筆 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Bold Black Ink:** Deep black ink ensures your ideas stand out with every stroke—perfect for meetings and creative brainstorming.
- • **Comfort Meets Control:** Soft rubber grip reduces hand fatigue, empowering you to write longer and smarter without compromise.
- • **Lightweight & Portable:** At just 0.16 ounces and compact dimensions, it’s the perfect pen to carry in your pocket or planner for on-the-go success.
- • **Snap-to-Use Convenience:** Quick snap closure keeps your pen ready at a moment’s notice—no cap, no hassle, just seamless productivity.
- • **Precision that Impresses:** Ultra-fine 0.38mm tip delivers crisp, clean lines for flawless note-taking and professional documents.

## Overview

The Uni Ball Signo Knock Ballpoint Pen RT1 features an ultra-fine 0.38mm tip with smooth black ink, housed in a lightweight, ergonomic design with a convenient snap closure—engineered for professionals who demand precision, comfort, and style in every word.

## Description

Uni Uni-Ball Signo Knock Ballpoint Pen RT1 0.38mm Color, Black

## Features

- Uni Knock Ballpoint Pen RT1
- Color Ink Knock Ballpoint Pen
- 0.38mm Point
- Product Dimensions 4.15 x 2.8 x 1.4 inches

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Uni |
| Brand | 三菱鉛筆 |
| Item Weight | 0.16 ounces |
| Item model number | UMN15538.24 |
| Is Discontinued By Manufacturer | No |
| Color | Black |
| Closure | Snap |
| Grip Type | Rubber |
| Material Type | Plastic |
| Number of Items | 1 |
| Size | 1 Count (Pack of 1) |
| Point Type | Extra Fine |
| Line Size | 0.35 |
| Ink Color | Black |
| Manufacturer Part Number | UMN15538.24 |

## Product Details

- **Brand:** 三菱鉛筆
- **Writing Instrument Form:** Roller Ball Pen
- **Color:** Black
- **Ink Color:** Black
- **Age Range (Description):** Teen

## Images

![uni Ball Signo Knock Ballpoint Pen RT1 0.38mm Color, Black (UMN15538.24) - Image 1](https://m.media-amazon.com/images/I/61kfQZBdxnL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Frequently Bought Together

- Uni Ball Signo Knock Ballpoint Pen RT1 0.38mm Color, Black (UMN15538.24)
- Uni Signo RT1 Gel Ballpoint Pen Black Ink Refills, 0.38mm, Set of 4

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**Shop now:** [https://www.desertcart.lk/products/10764442-uni-ball-signo-knock-ballpoint-pen-rt1-0-38mm-color](https://www.desertcart.lk/products/10764442-uni-ball-signo-knock-ballpoint-pen-rt1-0-38mm-color)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-01-22*