---
product_id: 424093178
title: "Ernie Ball Earthwood Custom Medium 80/20 Bronze Acoustic Guitar Strings, 12.5-56 Gauge (P02005)"
brand: "ernie ball"
price: "¥2312"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/424093178-ernie-ball-earthwood-custom-medium-80-20-bronze-acoustic-guitar
store_origin: JP
region: Japan
---

# 80/20 Bronze Custom Medium Gauge High-Carbon Steel Core Ernie Ball Earthwood Custom Medium 80/20 Bronze Acoustic Guitar Strings, 12.5-56 Gauge (P02005)

**Brand:** ernie ball
**Price:** ¥2312
**Availability:** ✅ In Stock

## Summary

> 🎵 Elevate Your Strumming Game!

## Quick Answers

- **What is this?** Ernie Ball Earthwood Custom Medium 80/20 Bronze Acoustic Guitar Strings, 12.5-56 Gauge (P02005) by ernie ball
- **How much does it cost?** ¥2312 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/424093178-ernie-ball-earthwood-custom-medium-80-20-bronze-acoustic-guitar)

## Best For

- ernie ball enthusiasts

## Why This Product

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

## Key Features

- • **🎯 Perfect Fit:** Unique half-gauges for a tailored playing experience.
- • **🌍 Versatile Use:** Ideal for both professionals and beginners alike.
- • **🔒 Built to Last:** Premium materials ensure durability and longevity.
- • **🎶 Unleash Your Sound:** Experience vibrant tones with excellent projection and clarity.
- • **💡 Precision Engineering:** Manufactured for consistent performance and reliability.

## Overview

Ernie Ball Earthwood Custom Medium 80/20 Bronze Acoustic Guitar Strings (12.5-56 Gauge) offer a perfect blend of vibrant sound and durability, making them suitable for players of all skill levels. Crafted with premium materials, these strings feature a unique half-gauge design that balances between Medium and Medium Light, ensuring an optimal playing experience.

## Description

Ernie Ball welcomes four new half gauge combinations to its world-famous Earthwood line of acoustic guitar strings. Ernie Ball’s new Earthwood guitar sets feature the same great bright and balanced tone that Earthwood strings are known for, in new never-before-offered gauge combinations. Custom Medium sets feature gauges 12.5, 16.5, 24w, 34, 46, 56.

## Features

- Vibrant and balanced with excellent projection and clarity.
- Ernie Ball's unique half-gauges allow players to find their perfect acoustic guitar string set. Custom Medium sits in between Medium and Medium Light.
- Premium materials and precision manufacturing ensure a durable, dependable, long lasting guitar string.
- 80/20 bronze (80% copper, 20% zinc) wire wrapped around a high-carbon steel core wire.
- Perfect for professionals and beginners alike.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Coating Description | bronze |
| Finish Types | Copper |
| Color | Custom Medium (12.5-56) |
| String Gauge | Medium |
| Recommended Uses For Product | Acoustic Guitar |

## Product Details

- **Brand:** Ernie Ball
- **String Gauge:** Custom Medium
- **Color:** Custom Medium (12.5-56)
- **Instrument:** Acoustic Guitar
- **String Material Type:** Bronze

## Images

![Ernie Ball Earthwood Custom Medium 80/20 Bronze Acoustic Guitar Strings, 12.5-56 Gauge (P02005) - Image 1](https://m.media-amazon.com/images/I/81c+3BnmkOL.jpg)
![Ernie Ball Earthwood Custom Medium 80/20 Bronze Acoustic Guitar Strings, 12.5-56 Gauge (P02005) - Image 2](https://m.media-amazon.com/images/I/71haIkPi++L.jpg)

## Available Options

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

## Frequently Bought Together

- Ernie Ball Earthwood Custom Medium 80/20 Bronze Acoustic Guitar Strings, 12.5-56 Gauge (P02005)
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**Shop now:** [https://www.desertcart.jp/products/424093178-ernie-ball-earthwood-custom-medium-80-20-bronze-acoustic-guitar](https://www.desertcart.jp/products/424093178-ernie-ball-earthwood-custom-medium-80-20-bronze-acoustic-guitar)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-07*