| String gauges optimized for an even feel across all six strings, allowing for easier chord transitions, smoother scales, and reduced fatigue. String gauges optimized for an even feel across all six strings, allowing for easier chord transitions, smoother scales, and reduced fatigue. Increased corrosion resistance for a longer lasting uncoated string | Feature D’Addario’s exclusive high-carbon NY steel for unprecedented strength and tuning stability Made in the U.S.A. for the highest quality and performance String Gauges: Plain Steel .0135, .018, Nickel Bronze Wound .024, .032, .042, .056 |