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 acoustic guitar strings provide a crisp, ringing sound with pleasing overtones. Compatible with gauges .010, .014 .020, .028, .040, .050.

Features:
• Wound Strings are 80 percent copper, 20 percent zinc
• Wire wrapped around hex shaped tin-plated steel core wire
• Plain strings are made of specially tempered tin-plated high carbon steel
• Provides well balanced projection with crisp pleasing highs
• Featuring the finest and freshest materials