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.
J4401 Single Clear Nylon 0290 EJ44 1st Extra-Hard Tension (J71 4th Extra-Hard Tension)
J4402 Single Clear Nylon 0333 EJ44 2nd Extra-Hard Tension
J4403 Single Clear Nylon 0416 EJ44 3rd Extra-Hard Tension
J4404 Single Silver Wound 030 EJ44 4th Extra-Hard Tension
J4405 Single Silver Wound 036 EJ44 5th Extra-Hard Tension
J4406 Single Silver Wound 045 EJ44 6th Extra-Hard Tension