EXL170, D'Addario's best-selling bass set and the standard for most electric basses, offers the ideal combination of bright, booming tone and comfortable feel. The most versatile and universally appealing set for all playing styles. Fits long scale basses with a string scale length of up to 36 1/4 inches. Round wound with nickel plated steel for a distinctive bright tone with clear fundamentals. Made in the U.S.A. for the highest quality and performance. String Gauges: Wound 0.045, 0.065, 0.08, 0.1. Environmentally friendly, corrosion resistant packaging for strings that are always fresh.