The D’Addario XLB105 XL Nickel Wound Single Bass Guitar String is a single roundwound bass guitar string, made from nickel plated steel, and is longscale, with a gauge of .105. D’Addario XL Nickel Wound Electric Bass strings are world-renowned as “The Player’s Choice” amongst bass players of all genres and styles. All XL strings are precision wound on D’Addario’s exclusive digitally-controlled machines, ensuring each string has excellent intonation, clear fundamentals, and unparalleled consistency. Each string is wound with a nickelplated steel wrap wire known for distinctive bright tone with 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 customisation needs.