3544 Ernie Ball Earthwood Medium Phosphor Bronze 3 Pack - 13 / 56 - Acoustic Guitar Strings - 3 pcs

The most popular acoustic strings today. Phosphor bronze winding ensures deep, rich bass and clear, bright mids.

These strings were created based on feedback from musicians around the world. The highest quality materials are used in each set, and they are hermetically sealed for protection against external influences. The winding of Ernie Ball Slinky Acoustic strings is made from exclusive phosphor bronze material - 92% copper, 7.7% tin, and 0.3% phosphor wire wound around a tin-plated hexagonal steel core.