D'Addario PB030 Phosphor Bronze Acoustic Guitar Strings Single

Gauge: .30
Genuine phosphor bronze alloy retains flexibility as well as brilliant tone for many hours of hard play. The PB030 guitar strings have a computer controlled wrapping around a hex core that ensures consistency and extends life. Many top guitarists won't play any other brand.
D'Addario is the world's largest manufacturer of strings for musical instruments. Regardless of your playing style, D'Addario has a set that's right for you.