D'Addario XL Nickel Wound Electric Bass strings are world-renowned amongst bass players of all genres and styles. All XL strings are precision wound on digitally-controlled machines, ensuring each string has excellent intonation, clear fundamentals, and unparalleled consistency. EXL170-6 is the 6-string version of the best-selling D'Addario EXL170 bass set. With the addition of the .130 low B string, and wound .32 high C string, 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, this set fits long scale basses with a string scale length of up to 36-1/4 inches.