6-string, Super Long version of 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 38 inches. Made in the U.S.A. for the highest quality and performance. String Gauges: Wound .032, .045, .065, .080, .100, .130. Environmentally friendly, corrosion resistant packaging for strings that are always fresh.