---
product_id: 279914048
title: "Uni Ball Signo Knock Ballpoint Pen RT1 0.38mm Color, Black (UMN15538.24)"
brand: "三菱鉛筆"
price: "95 Lei"
currency: RON
in_stock: true
url: https://www.desertcart.ro/products/279914048-uni-ball-signo-knock-ballpoint-pen-rt1-0-38mm-color
store_origin: RO
region: Romania
---

# Retractable knock mechanism Deep black ink for crisp lines 0.38mm ultra-fine precision Uni Ball Signo Knock Ballpoint Pen RT1 0.38mm Color, Black (UMN15538.24)

**Brand:** 三菱鉛筆
**Price:** 95 Lei
**Availability:** ✅ In Stock

## Summary

> 🖊️ Write Sharp, Look Sharp – The Pen That Means Business

## 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?** 95 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/279914048-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:** Make your notes and signatures stand out with rich, fade-resistant black ink that commands attention.
- • **Comfort Meets Style:** Ergonomic rubber grip combined with sleek metal and plastic body offers both comfort and professional elegance.
- • **Effortless Convenience:** Retractable knock design ensures quick, one-handed use—no cap, no hassle, just smooth writing flow.
- • **Lightweight & Portable:** At just 4.54g and compact dimensions, this pen is your perfect on-the-go writing companion for meetings and brainstorming sessions.
- • **Precision at Your Fingertips:** Experience flawless writing with an ultra-fine 0.38mm tip that delivers sharp, clean lines every time.

## Overview

The Uni Ball Signo Knock Ballpoint Pen RT1 features an ultra-fine 0.38mm tip with deep black ink, housed in a sleek retractable design with a comfortable rubber grip. Lightweight and portable, it’s engineered for professionals who demand precision and style in every stroke.

## Description

Uni Ball Signo Knock Ballpoint Pen RT1 0.38mm Color, Black (UMN15538.24)

## 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 |
| Model number | UMN15538.24 |
| Color | Black |
| Closure | Retractable |
| Grip Type | Rubber |
| Material Type | Metal, 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 |
| Item Weight | 4.54 g |

## Product Details

- **Brand:** 三菱鉛筆
- **Writing instrument form:** Roller Ball Pen
- **Colour:** Black
- **Ink colour:** 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.ro/products/279914048-uni-ball-signo-knock-ballpoint-pen-rt1-0-38mm-color](https://www.desertcart.ro/products/279914048-uni-ball-signo-knock-ballpoint-pen-rt1-0-38mm-color)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-24*