D'Addario EPS170 ProSteels Bass Guitar Strings, Light, 45-100, Long Scale D'Addario's most popular ProSteels bass guitar 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 .045, .065, .080, .100