---
product_id: 291877450
title: "Pentel Mechanical Pencil Lead, Ain Stein, 0.5mm, 4B (C275-4B)"
brand: "pentel"
price: "¥3229"
currency: JPY
in_stock: true
category: "Pentel"
url: https://www.desertcart.jp/products/291877450-pentel-mechanical-pencil-lead-ain-stein-0-5mm-4b-c275
store_origin: JP
region: Japan
---

# Refillable pack of 40 4B ultra-soft darkness 0.5mm precision lead Pentel Mechanical Pencil Lead, Ain Stein, 0.5mm, 4B (C275-4B)

**Brand:** pentel
**Price:** ¥3229
**Availability:** ✅ In Stock

## Summary

> ✏️ Elevate your writing game with Pentel’s ultra-smooth 4B leads — because details matter.

## Quick Answers

- **What is this?** Pentel Mechanical Pencil Lead, Ain Stein, 0.5mm, 4B (C275-4B) by pentel
- **How much does it cost?** ¥3229 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-pentel-mechanical-pencil-lead-ain-stein-0-5mm-4b-c275)

## 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 & Smooth:** 4B hardness delivers rich, dark lines that glide effortlessly on paper.
- • **Pinpoint Precision:** 0.5mm lead diameter for flawless, detailed writing and sketching.
- • **Eco-Friendly Refill:** Refillable leads reduce waste and keep your favorite pencil performing at its best.
- • **Long-Lasting Supply:** Includes 40 leads to keep your creativity flowing without interruption.
- • **Trusted Japanese Craftsmanship:** Pentel’s Ain Stein technology ensures consistent quality and break-resistance.

## Overview

Pentel Mechanical Pencil Lead Ain Stein 0.5mm 4B offers a premium refill pack of 40 ultra-soft, dark graphite leads designed for precision writing and sketching. Engineered in Japan with advanced Ain Stein technology, these leads provide smooth, consistent lines and excellent break resistance, making them ideal for professionals and creatives who demand quality and reliability.

## Description

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

## 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 |
| Animal Theme | no animal theme |
| Best Sellers Rank | #12,235 in Office Products ( See Top 100 in Office Products ) #25 in Mechanical Pencil Leads |
| Body Shape | Rectangular |
| Brand Name | Pentel |
| Closure Type | Twist |
| Color | Negro |
| Customer Reviews | 4.6 4.6 out of 5 stars (4,170) |
| 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 |
| 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 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 | Graphite Pencil |
| Writing Technique | pencil lead |

## Product Details

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

## Images

![Pentel 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 **Size, Style** options.

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

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-24*