XL Nickel are the industry standard in electric bass strings. With their clear fundamentals, booming tight lows, and reliable D’Addario construction, they’re trusted by players everywhere to handle any performance. XL Nickel bass strings are made with a high carbon steel core and wound with nickel-plated steel wrap wire, for consistently bright tone and smooth playability, great for a wide variety of bass styles. Made for 5-string basses, 45-130 Regular Light gauge strings takes our most popular bass gauge and adds a low B-string. Features: - •\t5-string version of D'Addario's best selling bass guitar set •\tRound wound with nickelplated steel for a distinctive bright tone with clear fundamentals •\tFits long scale basses with a string scale length of up to 36 1/4 inches •\tMade in the U.S.A. for the highest quality and performance •\tString Gauges: Wound .045, .065, .080, .100, .130 •\tEnvironmentally friendly, corrosion resistant packaging for strings that are always fresh