EXL165 is a popular D'Addario hybrid bass set combining the high strings from an EXL170 (.45 and .60) with the low strings from an EXL160 (.85 and .105). This set is optimal for players looking for the ideal combination of a comfortable playing tension with booming, tight low end. Fits basses with a string scale length of up to 36 1/4 inches. Buy 2 sets and save! 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.