Ernie Ball Earthwood 80/20 Bronze Acoustic Guitar Strings are made from 80 percent copper, 20 percent zinc wire wrapped around a hex shaped brass plated steel core wire. These Rock and Blues acoustic guitar strings contain a plain G-string providing a crisp, ringing sound with pleasing overtones. Gauges: .010, .013, .017, .030, .042, .052.

Features:
• Earthwood 80/20 bronze acoustic guitar strings
• Made from 80 percent copper, 20 percent zinc material
• Zinc wire wrapped around hex shaped brass plated steel core wire