Ernie Ball's 2150 phosphor bronze extra light acoustic guitar strings provide acoustic guitarists with strings that bring out the natural beauty of their instrument. You'll experience a balanced tone with clear, ringing highs and a focused low end. The phosphor bronze wrap wire is designed to withstand the rigors of frequent playing while maintaining intonation and preventing corrosion. These extra light gauge strings have a light touch and comfortable feel that won't fatigue your fingers during long practice sessions or sets. With a two-pack of Ernie Ball's acclaimed acoustic strings, you'll always have a fresh set on hand.