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 unparalleled consistency. Each string is wrapped with nickel-plated steel winding wire, known for its distinctive bright tone with excellent magnetic output that offers a universally appealing and versatile tone for all playing styles.