---
product_id: 291877450
title: "Mechanical Pencil Lead, Ain Stein, 0.5mm, 4B (C275-4B)"
brand: "pentel"
price: "¥2576"
currency: JPY
in_stock: true
reviews_count: 7
category: "Pentel"
url: https://www.desertcart.jp/products/291877450-mechanical-pencil-lead-ain-stein-0-5mm-4b-c275-4b
store_origin: JP
region: Japan
---

# Refillable pack of 40 leads 4B softness for rich, bold lines 0.5mm ultra-precise lead diameter Mechanical Pencil Lead, Ain Stein, 0.5mm, 4B (C275-4B)

**Brand:** pentel
**Price:** ¥2576
**Availability:** ✅ In Stock

## Summary

> ✏️ Write Boldly, Lead Confidently.

## Quick Answers

- **What is this?** Mechanical Pencil Lead, Ain Stein, 0.5mm, 4B (C275-4B) by pentel
- **How much does it cost?** ¥2576 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/291877450-mechanical-pencil-lead-ain-stein-0-5mm-4b-c275-4b)

## Best For

- pentel enthusiasts

## Why This Product

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

## Key Features

- • **Bold & Expressive:** 4B hardness delivers deep, dark marks that stand out on any paper, perfect for creative and managerial tasks alike.
- • **Long-Lasting Supply:** Pack of 40 leads means you stay productive without constant refills—ideal for busy professionals.
- • **Eco-Friendly & Refillable:** Sustain your workflow and the planet with refillable leads designed for minimal waste.
- • **Precision in Every Stroke:** 0.5mm lead diameter ensures sharp, clean lines for professional-grade writing and sketching.
- • **Trusted Japanese Craftsmanship:** Pentel’s Ain Stein technology guarantees smooth, break-resistant leads for flawless performance.

## Overview

Pentel Mechanical Pencil Lead Ain Stein 0.5mm 4B offers a premium refill pack of 40 leads featuring ultra-precise diameter and rich, dark graphite. Engineered in Japan with advanced Ain Stein technology, these refillable leads provide smooth, break-resistant writing ideal for professionals seeking sharp, expressive lines in their daily work.

## Description

Finest writing instruments/ stationary products from Japan, Mechanical Pencil lead, Ain STEIN, 0. 5mm x 60mm, 4B x 40 leads

Review: Quality Good - Good Quality
Review: Good - Good

## Features

- Mechanical Pencil lead, Ain stein
- 0. 5mm x 60mm
- 4B x 40 leads

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B008JF3RLC |
| Additional Features | Refillable |
| Age Range Description | All Age Ranges |
| Age range (description) | All Age Ranges |
| Animal Theme | no animal theme |
| Best Sellers Rank | #16,896 in Office Products ( See Top 100 in Office Products ) #31 in Mechanical Pencil Leads |
| Body Shape | Rectangular |
| Brand | Pentel |
| Brand Name | Pentel |
| Closure Type | Twist |
| Color | Negro |
| Colour | Negro |
| Customer Reviews | 4.6 out of 5 stars 12,222 Reviews |
| Drill Point | Medium |
| Global Trade Identification Number | 04902506269195 |
| Grip Type | Contoured |
| Hand Orientation | Ambidextrous |
| Hardness | 4B |
| Included Components | Lead |
| Ink Base | Oil |
| Ink Color | Black |
| Ink colour | Black |
| Item Diameter | 0.5 Millimeters |
| Item Dimensions | 20 x 7 x 79 millimeters |
| Item Weight | 0.01 Kilograms |
| Line Size | 0.5mm |
| Manufacturer | Pentel |
| Material | Lead |
| Material Type | Lead |
| Model Name | C275-4BO |
| Model Number | C275-4BO |
| Recommended Uses For Product | Writing |
| Style | 4B |
| Unit Count | 40 Count |
| Water Resistance Level | Not Water Resistant |
| Writing Instrument Form | Mechanical Graphite Pencil |
| Writing Technique | pencil lead |
| Writing instrument form | Mechanical Graphite Pencil |

## Product Details

- **Age range (description):** All Age Ranges
- **Brand:** Pentel
- **Colour:** Negro
- **Ink colour:** Black
- **Writing instrument form:** Mechanical Graphite Pencil

## Images

![Mechanical Pencil Lead, Ain Stein, 0.5mm, 4B (C275-4B) - Image 1](https://m.media-amazon.com/images/I/71jjt1otkQL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality Good
*by A***D on 30 December 2025*

Good Quality

### ⭐⭐⭐⭐⭐ Good
*by T***I on 24 July 2023*

Good

### ⭐⭐⭐⭐⭐ 良き！
*by 中***！ on 10 March 2026*

鉛筆の4Bには負けますが 色も濃く柔らかく書きやすかった！

## Frequently Bought Together

- Pentel Ain Stein 0.5Mm Mechanical Pencil Lead | Lead of Grade 4B | Smooth & Not Scratchy | Easy to Insert Inside The Pencil | Pack of 40 Pcs (C275-4B), Black
- Pentel Ain Stein Mechanical Pencil Lead | Tip Size 0.5 MM | Lead Of Grade 2B | Pack of 40 Pcs (C275-2B)
- Pentel GraphGear 500 0.5 MM HB Mechanical Pencil | Lead Of Grade HB | Mini Interchangeable Eraser With Push Mechanism | Silver Plated Swing Grip | Pack Of 1 | Silver (PG515)

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**Shop now:** [https://www.desertcart.jp/products/291877450-mechanical-pencil-lead-ain-stein-0-5mm-4b-c275-4b](https://www.desertcart.jp/products/291877450-mechanical-pencil-lead-ain-stein-0-5mm-4b-c275-4b)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-07-22*