EJ46, hard tension, is a popular choice for its rich tone, increased resistance and strong projection.

Pro-Arte, the world's most popular classical strings are D'Addario's premium classical guitar string sets. All Pro-Arte treble strings are sorted by a sophisticated computer-controlled laser machine which performs diameter and tension measurements, ensuring true-sounding, precise trebles in every set. Pro-Arte basses are wound using silver-plated copper on a multi-filament nylon core for consistent and warm, yet projecting tone.

-Hard tension for increased resistance, volume and projection
-Laser sorted clear nylon treble strings for consistent, precise intonation
-Precision wound basses for warm, projecting tone and the utmost consistency
-Made in the U.S.A. for the highest quality and performance
-String Gauges: Trebles .0285, .0327, .0410 Basses .030, .036, .044
-Environmentally friendly, corrosion resistant packaging for strings that are always fresh