Description de chez Amazon USA : - Designed and gauged for Resophonic guitar - Smooth, flattened playing surface, superb tone and sustain associated with phosphor bronze strings - Corrosion resistant packaging for strings that are always fresh - Made in the U.S.A. for the highest quality and performance - String Gauges: Plain Steel .016, .019 Phosphor Bronze .028, .036, .044, .056