EXL170-6 is a 6-string version of the best-selling D’Addario bass set. With the addition of the .130 low B and wound .32 high C strings, this set offers the ideal combination of distinctive bright, booming tone and comfortable feel. The most versatile and universally appealing set for all playing styles. Fits long scale basses with a string scale length of up to 36 1/4 inches. 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 our 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.