The D'Addario XL Nickel Wound Electric Bass strings are globally known as "The Player's Choice" among bassists of all genres and styles. All XL series strings are precision wound on our exclusive digitally controlled machines, ensuring that each string has exceptional clarity, clean fundamentals, and unmatched consistency. Each string is wrapped with nickel-plated steel wrapping wire, known for its distinct bright tone with excellent magnetic output that provides a universally appealing and versatile tone for all playing styles.