The D'Addario XS Nickel Coated Electric Guitar Strings 9-42 Super Light deliver exceptional tone, long-lasting performance, and unmatched durability. Featuring D'Addario's ultra-thin XS film coating, these strings offer the longest life of any D'Addario electric string while maintaining a smooth, fast feel and vibrant tone. Constructed with an NY Steel core, premium reformulated nickel-plated steel wrap wire, and Fusion Twist technology, they provide superior break strength, outstanding tuning stability, and enhanced harmonics, clarity, bite, and sustain. The 9-42 Super Light gauge is perfect for effortless bends, fast playing, and maximum flexibility. Proudly made in the USA, each recyclable, resealable VCI bag includes a Players Circle registration code to earn rewards.