D"Addario XL Nickel 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 computer-controlled machines, ensuring each string has excellent into nation, clear fundamentals, and unparalleled consistency. The nickelplated steel wrap wire is known for it"s distinctive bright tone and excellent intonation and delivers a universally appealing tone for all playing styles. World famous for their distinctive bright tone, precise intonation, and unparalleled consistency, XL strings deliver excellent magnetic output while providing a smooth, comfortable surface that reduces premature fret wear. EXL280 - 20 / 32 / 42 / 52. D"Addario EXL Bass are used by artists like John Patitucci / Johnny Myung (Dream Theatre ) / Sam Rivers (Limp Bizkit) / Dave Ellefson (former Megadeth). Up tp 32" - D"Addario Short 32"-34" - D"Addario Medium 34"-36" - D"Addario Long 36"-38" - D"Addario Super Long