D'Addario EJ45 Pro-Arte, Normal Tension, Classical guitar strings are the world's best selling and D'Addario's premium classical guitar string.  All Pro-Arte treble strings are sorted by a sophisticated computer-controlled laser machine which performs diameter/tension measurements and quality checks, insuring true sounding, precise trebles in every set.  Pro-Arte basses are wound using silverplated copper on a multi-filament nylon core for consistent, warm-yet-projecting tone.

string gauges: .028-.032-.040-.029-.035-.043