Extra hard tension for maximum volume and resistance / Laser sorted clear nylon treble strings for consistent, precise intonation / Precision wound silver-plated basses for warm, projecting tone and the utmost consistency / Made in the U.S.A. for the highest quality and performance / String Gauges: Trebles .0290, .0333, .0416 Basses .030, .036, .045 / Environmentally friendly, corrosion resistant packaging for strings that are always fresh