• Exclusive Phosphor Bronze Wrap: Crafted from 92% copper, 7.7% tin, and 0.3% phosphorus wire, these strings offer a unique and high - quality sound.
• Concert - Quality Sound: Deliver deep, rich bass notes and clear bright trebles, meeting the demands of acoustic musicians worldwide.
• Freshness Guaranteed: Made with the finest and freshest raw materials and hermetically sealed, ensuring they stay fresh. Trusted by top musicians like The Counting Crows, The Edge, and Maroon 5. Upgrade your acoustic guitar now with Ernie Ball Earthwood strings!

These Ernie Ball Earthwood acoustic guitar strings are perfect for both amateur and professional acoustic musicians. Whether you're performing on stage, jamming with friends, or practicing at home, these strings will enhance your playing experience. They are medium - sized strings (13 - 56), made with an exclusive phosphor bronze wrap wire for great sound quality. The fresh raw materials and hermetic sealing keep them in top condition for a long time.