---
product_id: 39706724
title: "Uni-Ball Extra Fine Diamond Infused Pencil Leads, 0.3 Mm - 15 Leads X 3 Pack"
brand: "三菱鉛筆"
price: "¥227"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/39706724-uni-ball-extra-fine-diamond-infused-pencil-leads-0-3
store_origin: JP
region: Japan
---

# Diamond-infused strength 0.3 mm line size Extra fine precision Uni-Ball Extra Fine Diamond Infused Pencil Leads, 0.3 Mm - 15 Leads X 3 Pack

**Brand:** 三菱鉛筆
**Price:** ¥227
**Availability:** ✅ In Stock

## Summary

> 💼 Elevate your writing game with diamond precision!

## Quick Answers

- **What is this?** Uni-Ball Extra Fine Diamond Infused Pencil Leads, 0.3 Mm - 15 Leads X 3 Pack by 三菱鉛筆
- **How much does it cost?** ¥227 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/39706724-uni-ball-extra-fine-diamond-infused-pencil-leads-0-3)

## 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

- • **Unmatched Durability:** Experience the diamond-infused lead that lasts longer and writes smoother.
- • **Value Pack Advantage:** Get 15 leads in 3 packs, perfect for the professional on the go.
- • **Precision Engineering:** Crafted for the meticulous, with a 0.3 mm line size for ultra-fine details.
- • **Quality You Can Trust:** Sourced from Japan, ensuring top-tier quality in every pencil lead.
- • **Smooth Writing Experience:** Enjoy a seamless glide on paper, making every note a pleasure.

## Overview

The Uni-Ball Extra Fine Diamond Infused Pencil Leads offer a premium writing experience with their diamond-infused graphite, ensuring durability and smoothness. Each pack contains 15 leads, designed for precision and crafted in Japan, making them an essential tool for professionals who value quality in their writing instruments.

## Description

strength & Deep & smooth -Uni-ball Extra Fine Diamond Infused Pencil Leads, 0.3 Mm-hb-nano Dia 15 Leads X 3 Pack/total 45 Leads

## Features

- Uni develops the lead of the top quality
- Intensity of the lead was sharply strengthened by blending the particles of a diamond.
- Since particles have aligned by high density, it can write distinctly still more deeply
- And it can draw more smoothly.
- My Store is The goods of High quality and popular Japan are selected carefully and it sells with reasonable set pricing. Since many inexpensive sets are sold, please search by "Value set".

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | 三菱鉛筆 |
| Item Weight | 0.32 ounces |
| Product Dimensions | 3.27 x 2.44 x 0.31 inches |
| Item model number | U03202NDHBx3 |
| Is Discontinued By Manufacturer | No |
| Color | Black |
| Grip Type | Diamond |
| Pencil Lead Degree (Hardness) | HB |
| Material Type | Graphite with Diamond Particles |
| Size | 3 Count (Pack of 1) |
| Point Type | Extra Fine |
| Line Size | 0.3 Millimeters |
| Ink Color | Black |
| Manufacturer Part Number | X3 |

## Product Details

- **Brand:** 三菱鉛筆
- **Writing Instrument Form:** Mechanical Graphite Pencil
- **Color:** Black
- **Ink Color:** Black
- **Age Range (Description):** All Ages

## Images

![Uni-Ball Extra Fine Diamond Infused Pencil Leads, 0.3 Mm - 15 Leads X 3 Pack - Image 1](https://m.media-amazon.com/images/I/51LS5TRgUPL.jpg)

## Frequently Bought Together

- Strength & Deep & Smooth -Uni-ball Extra Fine Diamond Infused Pencil Leads, 0.3 Mm-hb-nano Dia 15 Leads X 3 Pack/total 45 Leads
- Uni Kurutoga Mechanical Pencil Standard, 0.3mm, Black (M34501P.24)
- Uni Kurutoga Mechanical Pencil Standard, 0.3mm, Silver (M34501P.26)

---

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**Shop now:** [https://www.desertcart.jp/products/39706724-uni-ball-extra-fine-diamond-infused-pencil-leads-0-3](https://www.desertcart.jp/products/39706724-uni-ball-extra-fine-diamond-infused-pencil-leads-0-3)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-07-07*