D'Addario EPS160SL ProSteels Bass Guitar Strings, Medium, 50-105, Super Long  Scale Super long version of 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 super long scale basses with a string scale length of up to 38 inches Made in the U.S.A. for the highest quality and performance String Gauges: Wound .050, .070, .085, .105