Ernie Ball Earthwood 80/20 Custom Medium Bronze Acoustic Guitar Strings 12.5-56

Ernie Ball Earthwood 80/20 Custom Medium Bronze acoustic guitar strings are made from 80% copper, 20% zinc wire wrapped around hex-shaped brass-plated steel core wire. These acoustic guitar strings provide a crisp, ringing sound with pleasing overtones. Gauges: .012.5, .016.5, .024W, .034, .046, .056