D’Addario’s best-selling electric guitar string, revered by players since 1974. Nickel-plated steel wrap wire provides a bright, versatile electric guitar tone, great for a variety of musical genres. Like all D’Addario electric guitar strings, XL Nickel are made with our proprietary Hex-Core, ensuring perfect intonation, consistent feel, and reliable durability. XL Nickel sets have a code on the recyclable VCI bag, which you can register to earn Players Circle points. XL Nickel electric guitar strings are made in the USA—drawn to our exacting specifications at our New York production facility.