Super long scale version of D'Addario's best selling bass guitar set. Round wound with nickelplated steel for a distinctive bright tone with clear fundamentals. 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 .045, .065, .080, .100. Environmentally friendly, corrosion resistant packaging for strings that are always fresh.