EJ44, extra hard tension, is optimal for maximum string resistance and projection without compromising tone. 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 0.029, 0.0333, 0.0416 Basses 0.03, 0.036, 0.045. Environmentally friendly, corrosion resistant packaging for strings that are always fresh.