Check the listing for details. D'Addario EJ43 Pro-Arte Light Tension Classical Guitar Strings. Condition: New. Listed at 12.99 USD. EJ43 is the lightest tension available of D'Addario's best selling Pro-Arte series. Great for beginners or experienced players with a lighter touch, they provide ease of play without sacrificing rich tone. EJ43's contain silver wound on nylon bass strings with clear nylon trebles. 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. Light tension version of the best selling Pro Arte seriesLaser sorted clear nylon treble strings for consistent, precise intonationPrecision wound basses for warm, projecting tone and the utmost consistencyMade in the U.S.A. for the highest quality and performanceString Gauges: Trebles .0275, .0317, .0397 Basses .028, .033, .042Environmentally friendly, corrosion resistant packaging for strings that are always fresh