D'Addario NB1256

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 .012, .016, Nickel Bronze Wound .025, .035, .045, .056