D'Addario NB1047

Delivers a full tonal spectrum, revealing the unique tonal qualities of your acoustic guitar Increased corrosion resistance for a longer lasting uncoated string
Features D’Addario’s exclusive high-carbon NY steel for unprecedented strength and tuning stability
Environmentally-friendly, corrosion-resistant packaging keeps strings fresh
Made in the U.S.A. for the highest quality and performance
String Gauges: Plain Steel .010, .014,
Nickel Bronze Wound .023, .030, .039, .047