D'Addario EPS160 ProSteels Bass Guitar Strings, Medium, 50-105, Long Scale D'Addario's top-selling heavy gauge ProSteels bass set D'Addario's brightest and most magnetic bass strings offering harmonically rich, deep and penetrating tone Fits long scale basses with a string scale length of up to 36 1/4 inches Made in the U.S.A. for the highest quality and performance String Gauges: Wound .050, .070, .085, .105