D'Addario XL Nickel Wound Electric Bass strings are world-renowned as "the player's choice" among bass players of all genres and styles. All XL strings are precision wound on exclusive digitally-controlled machines, ensuring each string has excellent intonation, clear fundamentals, and unparalleled consistency. Each string is wound with a nickel-plated steel wrap wire known for its distinctive bright tone and excellent magnetic output, delivering a universally appealing and versatile tone for all playing styles. D'Addario offers a full range of bass guitar singles for all your replacement or customization needs. Round wound with nickel-plated steel for a distinctive bright tone with clear fundamentals. Fits long scale basses with a string scale length of up to 36 1/4 inches. Perfect for replacement strings or customized sets. Made in the U.S.A. for the highest quality and performance. .028 gauge.