EPS160-5 is the 5-string version of D’Addario’s top-selling heavy gauge ProSteels bass string set. With the addition of the .135 gauge low B string, this set provides an ideal combination of biting high end, punchy lows and super long life. Fits basses with a string scale length of up to 36 7/8 inches and a good choice for players looking to down tune. ProSteels are one of D'Addario's brightest and most corrosion resistant strings. A specialized steel alloy delivers harmonically rich, brilliant high-end coupled with deep, tight lows that work in tandem to create the coveted "Piano tone" steel players crave. Great for both articulate fingering or aggressive picking, ProSteels give you the extra edge and punch you need to cut through the mix. 5-String version of D'Addario's top-selling heavy gauge ProSteels bass set. One of D'Addario's brightest and most corrosion resistant strings offering harmonically rich, deep and penetrating tone. Fits long scale basses with a string scale length of up to 36 7/8 inches. Made in the U.S.A. for the highest quality and performance. String Gauges: Wound .050, .070, .085, .105, .135. Environmentally friendly, corrosion resistant packaging for strings that are always fresh.