---
product_id: 254789114
title: "Signo DX UMR-1 REFILL for UM-151 ULTRA-FINE LINE-12 Pcs-0.38mm Ball(Black)"
brand: "uni-ball"
price: "¥5104"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/254789114-signo-dx-umr-1-refill-for-um-151-ultra-fine
store_origin: JP
region: Japan
---

# consistent clean lines every time 0.38mm ultra-fine precision smear-proof bio-polymer ink Signo DX UMR-1 REFILL for UM-151 ULTRA-FINE LINE-12 Pcs-0.38mm Ball(Black)

**Brand:** uni-ball
**Price:** ¥5104
**Availability:** ✅ In Stock

## Summary

> 🖋️ Write sharp, write smart — never miss a detail!

## Quick Answers

- **What is this?** Signo DX UMR-1 REFILL for UM-151 ULTRA-FINE LINE-12 Pcs-0.38mm Ball(Black) by uni-ball
- **How much does it cost?** ¥5104 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/254789114-signo-dx-umr-1-refill-for-um-151-ultra-fine)

## 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

- • **Bulk Value Pack:** 12 refills to keep your pen ready for every important moment
- • **Effortless Clarity:** Consistently clean, sharp lines that elevate your notes
- • **Pinpoint Precision:** Ultra-fine 0.38mm tip for flawless, detailed writing
- • **Seamless Compatibility:** Perfectly fits Uni-Ball Signo UM-151 for instant upgrade
- • **Smudge-Free Confidence:** Advanced bio-polymer ink ensures no feathering or smearing

## Overview

The Uni-Ball Signo DX UMR-1 refill delivers ultra-fine 0.38mm black gel ink with smear-proof bio-polymer technology, ensuring clean, precise lines ideal for professional and detailed writing. This 12-pack refill set is designed for seamless compatibility with the Uni-Ball Signo UM-151 pen, offering long-lasting performance and consistent clarity.

## Description

Signo DX UMR-1 REFILL for UM-151 ULTRA-FINE LINE-12 Pcs-0.38mm Ball(Black)

## Features

- Refill for Uni-Ball Signo UM-151 Gel Ink Pen
- Black Ink 0.38mm Ball
- Clean, precise line all the time
- Perfect for extremely fine writing
- Smear-proof bio-polymer ink prevents feathering. Attached with Dbmier A750 Mini Notebook.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Uni-ball |
| Brand | uni-ball |
| Model number | UMR-1-Black |
| Product Dimensions | 18.54 x 10.92 x 2.29 cm; 22.68 g |
| Color | Black |
| Number of Items | 12 |
| Point Type | Ultra Fine |
| Ink Color | Black |
| Manufacturer Part Number | UMR-1-Black |
| Item Weight | 22.7 g |

## Product Details

- **Brand:** uni-ball
- **Style:** Fine Writing
- **Item dimensions L x W x H:** 18.5 x 10.9 x 2.3 centimeters
- **Item weight:** 23 g
- **Number of pieces:** 12

## Images

![Signo DX UMR-1 REFILL for UM-151 ULTRA-FINE LINE-12 Pcs-0.38mm Ball(Black) - Image 1](https://m.media-amazon.com/images/I/71zS8xqloUL.jpg)

## Frequently Bought Together

- Uni-ball Signo DX UMR-1 Refill for UM-151 Ultra-FINE LINE-12 Pcs-0.38mm Ball(Black) / Attached with Dbmier A750 Mini Notebook
- uni-ball Signo Dx Um-151 Gel Ink Pen - 0.38 Mm - 10 Pcs - Black - Uni Mitsubishi Pencil
- Uni-ball Signo DX UM-151 Gel Ink Pen 10 Set(Blue-Black)

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**Shop now:** [https://www.desertcart.jp/products/254789114-signo-dx-umr-1-refill-for-um-151-ultra-fine](https://www.desertcart.jp/products/254789114-signo-dx-umr-1-refill-for-um-151-ultra-fine)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-01*