• Hard tension offers rich tone,increased resistance, and strong projection
• Laser sorted black nylon treblestrings for consistent, precise intonation
• Precision wound basses for warm,projecting tone and the utmost consistency
• Made in the U.S.A. for thehighest quality and performance
• String Gauges: Trebles .0285,.0327, .0410 Basses .030, .036, .044

EJ50 hard tension classical strings featuring black nylontrebles are a popular choice for their rich tone, increased resistance,and strong projection.

Pro-Arte, the world's most popular classical strings areD'Addario's premium classical guitar string sets. All Pro-Arte treblestrings are sorted by a sophisticated computer-controlled laser machinewhich performs diameter and tension measurements, ensuringtrue-sounding, precise trebles in every set. Pro-Arte basses are woundusing silver-plated copper on a multi-filament nylon core forconsistent and warm, yet projecting tone.

D'Addario, the world's largest manufacturer of musicalinstrument strings, is known as The Players Choice with a reputationfor unsurpassed quality and consistency. D'Addario's innovative,packaging reduces waste and provides protection from corrosion. AllD'Addario strings are manufactured in the U.S.A. using proprietary,digitally controlled, state-of-the-art machinery for unmatchedperformance, set after set.