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. EXL170-5 is the 5-string version of the best-selling D'Addario EXL170 bass set. With the addition of the .130 low B string, EXL170-5 offers the ideal combination of distinctive brightness and booming, tight lows. 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.