Ernie Ball Earthwood 80/20 custom light acoustic strings provide crisp, ringing tone with pleasing overtones for your acoustic guitar. The 80/20 bronze alloy wire is wrapped around hex-shaped, brass-plated steel cores, giving you a balanced tone that rings true for any style. You'll enjoy the warm, mellow tones of the .011 first string and clear, rich sound of the .054 sixth string. These light gauge strings make playing your acoustic guitar comfortable and effortless. This is a 2-pack.