Deliver a flexible feel while still maintaining a quick attack response that is essential for flamenco players. Laser sorted clear nylon treble strings for consistent, precise intonation. Environmentally friendly, corrosion resistant packaging for strings that are always fresh. Made in the U.S.A. for the highest quality and performance. String Gauges: Trebles .0285, .0327, .0416 Basses .029, .34, .044. .