• D’Addario’s brightest bass guitar string. • Stainless steel wrap wire produces enhanced interaction with magnetic pickups, offering a palette of harmonically rich, brilliantly penetrating highs, combined with pronounced, tight-and-tough lows. • Like all D’Addario electric bass strings, XL ProSteels are made with our proprietary Hex-Core, ensuring perfect intonation, consistent feel, and reliable durability. | • XL ProSteels sets have a code on the recyclable VCI bag, which you can register to earn Players Circle points. • D’Addario bass guitar strings are made in the USA—drawn to our exacting specifications at our New York production facility. |