Check the listing for details. D'Addario EJ45-3D Pro-Arté Normal Tension Classical Guitar Strings 3 Sets EJ45. Condition: New. Listed at 29.99 USD. 3 Sets of EJ 45 Classical Guitar Strings Pro-Arté EJ45-3D Pack Normal Tension Nylon EJ45, normal tension, is D'Addario's best selling classical set, preferred for its balance of rich tone, comfortable feel and dynamic projection. Pro-Arte, the world's most popular classical strings are D'Addario's premium classical guitar string sets. Pro-Arte treble strings are sorted by a sophisticated computer-controlled laser machine 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.D'Addario's best selling Pro-Arté set, Normal tension offers balance of volume and comfortable resistanceLaser sorted clear nylon treble strings for consistent, precise intonationPrecision 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 .0280, .0322, .0403 Basses .029, .35, .043 Environmentally friendly, corrosion resistant packaging for strings that are always fresh