---
product_id: 369795105
title: "Signo RT1 Retractable Gel Ink Pen, Ultra Micro Point 0.28mm, Renewal 2021 Rubber Grip, Blue Black 3 Pens With Kanji LOVE Sticker"
brand: "uni japan"
price: "$U810"
currency: UYU
in_stock: true
url: https://www.desertcart.uy/products/369795105-signo-rt1-retractable-gel-ink-pen-ultra-micro-point-0
store_origin: UY
region: Uruguay
---

# Ergonomic rubber grip for all-day comfort Blue Black gel ink for crisp writing 0.28mm ultra micro point Signo RT1 Retractable Gel Ink Pen, Ultra Micro Point 0.28mm, Renewal 2021 Rubber Grip, Blue Black 3 Pens With Kanji LOVE Sticker

**Brand:** uni japan
**Price:** $U810
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write sharp, work smart, and own your desk style.

## Quick Answers

- **What is this?** Signo RT1 Retractable Gel Ink Pen, Ultra Micro Point 0.28mm, Renewal 2021 Rubber Grip, Blue Black 3 Pens With Kanji LOVE Sticker by uni japan
- **How much does it cost?** $U810 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/369795105-signo-rt1-retractable-gel-ink-pen-ultra-micro-point-0)

## Best For

- uni japan enthusiasts

## Why This Product

- Trusted uni japan brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Comfort Meets Control:** Renewed 2021 rubber grip design offers ergonomic support, reducing hand fatigue during marathon brainstorming sessions.
- • **Sleek Retractable Design:** Retractable mechanism with cushioned rubber tip doubles as a touchscreen stylus—perfect for the hybrid work lifestyle.
- • **Subtle Statement of Style:** Elegant Pink Gold accents and a unique Kanji LOVE sticker make this pen a conversation starter and a symbol of refined taste.
- • **Precision at Your Fingertips:** Ultra micro 0.28mm tip delivers razor-sharp, professional lines that elevate your notes and sketches.
- • **Smooth, Smudge-Resistant Ink:** Premium Blue Black gel ink ensures vibrant, clean writing that stands out in meetings and presentations.

## Overview

The Signo RT1 Retractable Gel Ink Pen features an ultra-fine 0.28mm tip with smooth Blue Black gel ink, housed in a sleek retractable body with a renewed ergonomic rubber grip. Designed by Uni Japan, it combines precision, comfort, and style, including a touchscreen-compatible cushioned tip and a distinctive Kanji LOVE barrel print, making it the perfect pen for professionals who demand both performance and panache.

## Description

Signo RT1 Retractable Gel Ink Pen, Ultra Micro Point 0.28mm, Renewal 2021 Rubber Grip, Blue Black 3 Pens With Kanji LOVE Sticker Renewal! An ultra-fine 0.28mm retractable gel ink ballpoint pen that can write smoothly. Very fine but smooth. By eliminating the corners of the tip and the signo ink of the new formulation, the frictional resistance between the pen tip and the paper is reduced, and a smooth writing taste is realized. It is a one-motion design in which the joint between the grip and the shaft is inconspicuous. Edgeless tip with no corner at the tip of the tip To reduce the frictional resistance between the pen tip and the paper, the corners at the tip of the tip have been eliminated to achieve a smooth writing feel. Moreover, the stainless steel tip excellent in toughness and the spring tip mechanism which prevents the direct current of ink are adopted. Smooth new compound ink By reviewing the ink composition, we have improved the smoothness while maintaining the vividness of the ink color and the feature of being able to draw ultra-fine lines without bleeding. Uses a dark, non-bleeding water-based pigment ink. It also has excellent water resistance and light resistance. Flowing one-motion design A new design with no noticeable joint between the grip and the shaft. The simple, smooth and flowing shape is attractive. In addition, the entire toe shaft has a rubber grip that is easy to grip.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Uni Japan |
| Brand | Uni Japan |
| Item Weight | 1.44 ounces |
| Product Dimensions | 2.76 x 6.1 x 0.39 inches |
| Item model number | UMN155N28.64X3 |
| Color | Blue |
| Closure | Retractable |
| Grip Type | rubber |
| Material Type | Acrylonitrile Butadiene Styrene, Alloy Steel, Resin, Rubber |
| Number of Items | 1 |
| Size | 1 Count (Pack of 1) |
| Point Type | Ultra Fine |
| Line Size | 0.28mm |
| Ink Color | Black,Blue,Red |
| Manufacturer Part Number | UMN155N28.64X3 |

## Product Details

- **Brand:** Uni Japan
- **Writing Instrument Form:** Ballpoint Pen
- **Color:** Blue
- **Ink Color:** Black,Blue,Red
- **Age Range (Description):** Adult

## Images

![Signo RT1 Retractable Gel Ink Pen, Ultra Micro Point 0.28mm, Renewal 2021 Rubber Grip, Blue Black 3 Pens With Kanji LOVE Sticker - Image 1](https://m.media-amazon.com/images/I/51wSQBgAMeL.jpg)
![Signo RT1 Retractable Gel Ink Pen, Ultra Micro Point 0.28mm, Renewal 2021 Rubber Grip, Blue Black 3 Pens With Kanji LOVE Sticker - Image 2](https://m.media-amazon.com/images/I/41Ziwu0IdLL.jpg)
![Signo RT1 Retractable Gel Ink Pen, Ultra Micro Point 0.28mm, Renewal 2021 Rubber Grip, Blue Black 3 Pens With Kanji LOVE Sticker - Image 3](https://m.media-amazon.com/images/I/41Ysk+NGlmL.jpg)
![Signo RT1 Retractable Gel Ink Pen, Ultra Micro Point 0.28mm, Renewal 2021 Rubber Grip, Blue Black 3 Pens With Kanji LOVE Sticker - Image 4](https://m.media-amazon.com/images/I/71zr15KK48L.jpg)

## Frequently Bought Together

- Uni Japan Signo RT1 Retractable Gel Ink Pen, Ultra Micro Point 0.28mm, Renewal 2021 Rubber Grip, Blue Black 3 Pens With Kanji LOVE Sticker
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- Uni-ball Signo RT1 Retractable Gel Ink Pen, Ultra Micro Point 0.28mm, Rubber Grip, UMN-155-28, 10 Color Value Set

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-01-29*