STANDARD CLASSICAL TONE - Pro -Arte’ Nylon strings offer the standard classical guitar tone many players hold dear. RESPONSIVE PLAYABILITY & WARM TONE - Utilizing our multi-filament nylon core basses and clear nylon trebles, Pro-Arte’ Nylon strings provide beautifully responsive playability and sweet, mellow tonal warmth. TIE ENDS - This set features tie-ends, nylon monofilament material, and silver-plated copper wrap wire. EARN REWARD POINTS - D’Addario Pro-Arte’ Nylon classical guitar strings come with a code on the recyclable, resealable VCI bag, which you can register to earn Players Circle points. MADE IN THE USA – Our classical strings are made in the USA—drawn to exacting specifications at our New York production facility.