---
product_id: 103457251
title: "Pencil Sharp Lead Monograph MG 0.5 HB ECG-121A Monocolor"
brand: "tombow"
price: "6302CFA"
currency: XOF
in_stock: true
reviews_count: 13
category: "Tombow"
url: https://www.desertcart.sn/products/103457251-pencil-sharp-lead-monograph-mg-0-5-hb-ecg-121a
store_origin: SN
region: Senegal
---

# One-touch dual-mode case for single or bulk refills Smooth HB hardness for flawless writing 0.5 mm ultra-precise lead diameter Pencil Sharp Lead Monograph MG 0.5 HB ECG-121A Monocolor

**Brand:** tombow
**Price:** 6302CFA
**Availability:** ✅ In Stock

## Summary

> ✏️ Sharpen your edge with Tombow’s smooth precision lead!

## Quick Answers

- **What is this?** Pencil Sharp Lead Monograph MG 0.5 HB ECG-121A Monocolor by tombow
- **How much does it cost?** 6302CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/103457251-pencil-sharp-lead-monograph-mg-0-5-hb-ecg-121a)

## Best For

- tombow enthusiasts

## Why This Product

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

## Key Features

- • **Smart Dual-Mode Case:** Switch effortlessly between single piece or bulk refills with the innovative one-touch open case—refill your way.
- • **Unmatched Smoothness:** Enjoy the lowest writing resistance with Tombow’s high-performance HB lead, making every word glide flawlessly.
- • **Precision in Every Stroke:** Experience ultra-fine 0.5 mm lead for crisp, clean lines that elevate your notes and sketches.
- • **Bulk or Single, Your Choice:** The double guide case design lets you control your lead intake—perfect for busy professionals who value efficiency.
- • **Trusted by Creatives & Managers Alike:** Join thousands who rate Tombow 4.7 stars for reliability and smooth writing performance.

## Overview

Tombow Pencil Sharp Lead Monograph MG 0.5 HB ECG-121A offers 40 pieces of ultra-smooth, 0.5 mm HB graphite leads housed in a smart one-touch dual-mode case. Designed for professionals who demand precision and efficiency, this refill pack ensures low writing resistance and versatile refill options, making it a top choice for office and creative use.

## Description

Dragonfly "Sharp Lead Monograph MG" High performance sharp lead for smooth writing [Smoothest #1 High Performance Core] The writing resistance value indicates that the sharp lead monograph MG is the lowest and smooth compared to other products. Double Guide Case: By moving the cap part left and right, you can choose between "bulk out" and "single out". [Combination]: A return port when you want to refill a lot at once, or take it out too much. "Single Out" - Perfect for when you want to refill just one piece.

Review: Good lead - Very good lead for the tomboy pencil.
Review: Tombow is the way to go - Tombow lead is superior

## Features

- Case: One-touch open case
- Features: Can be used as a single item or as a batch
- Lead diameter: 0.02 inches (0.5 mm)
- Quantity: 40 pieces
- Hardness: HB

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B015SVKOLU |
| Best Sellers Rank | #29,366 in Office Products ( See Top 100 in Office Products ) #52 in Mechanical Pencil Refills |
| Brand | Tombow |
| Closure | Snap |
| Color | Mono |
| Customer Reviews | 4.7 4.7 out of 5 stars (204) |
| Date First Available | September 30, 2015 |
| Grip Type | Smooth |
| Ink Color | Black |
| Item Weight | 0.317 ounces |
| Item model number | ECG-121A |
| Line Size | 0.5 |
| Manufacturer | トンボ(Tombow) |
| Manufacturer Part Number | ECG-121A |
| Material Type | Plastic |
| Pencil Lead Degree (Hardness) | HB |
| Point Type | graphite |
| Product Dimensions | 5.16 x 1.57 x 0.31 inches |
| Size | HB |

## Product Details

- **Age Range (Description):** Adult
- **Brand:** Tombow
- **Color:** Mono
- **Ink Color:** Black
- **Writing Instrument Form:** Mechanical Graphite Pencil

## Images

![Pencil Sharp Lead Monograph MG 0.5 HB ECG-121A Monocolor - Image 1](https://m.media-amazon.com/images/I/519grPDbbhL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good lead
*by B***H on January 27, 2026*

Very good lead for the tomboy pencil.

### ⭐⭐⭐⭐⭐ Tombow is the way to go
*by C***Y on January 20, 2026*

Tombow lead is superior

### ⭐⭐⭐⭐⭐ good smooth led
*by A***L on November 30, 2025*

this is a great pencil lead i like it. idk why jetpens says this is a rough led, i find it smoother and more satisfying than the default pentel hi-polymer.

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**Shop now:** [https://www.desertcart.sn/products/103457251-pencil-sharp-lead-monograph-mg-0-5-hb-ecg-121a](https://www.desertcart.sn/products/103457251-pencil-sharp-lead-monograph-mg-0-5-hb-ecg-121a)

---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-04-24*