Ideal combination of comfortable playing tension with booming, tight low end D'Addario's brightest and most magnetic bass strings offering harmonically rich, deep and penetrating tone Fits medium scale basses with a string scale length of up to 34 inches | Made in the U.S.A. for the highest quality and performance String Gauges: Wound .040, .060, .080, .100 Environmentally friendly, corrosion resistant packaging for strings that are always fresh |