D'Addario EJ46C Pro-Arte’ composite classical guitar strings offer the traditional elegance of our Pro-Arte’ line, with the added benefit of an elevated bass response. The exclusive composite core bass strings in the set produce a bold, projecting low-end, providing a more influential tone than nylon basses. Paired with the mellow warmth of our clear nylon trebles, Pro-Arte’ Composite strings offer a sound which is both alluring and commanding. This Hard tension set provides rich, bold tone and strong projection. Read More Features Pro-Arte’ Nylon Composite strings offer traditional classical guitar tone, with an elevated bass response. Utilizing our composite core basses and clear nylon trebles, Pro-Arte’ Composite strings provide a delicate balance between sweet, mellow highs and commanding lows. This set has clear nylon treble strings, with an extra, optional composite 3rd/G-string for increased projection. D’Addario Pro-Arte’ Composite classical guitar strings come with a code on the recyclable, resealable VCI bag, which you can register to earn Players Circle points. Our classical strings are made in the USA—drawn to exacting specifications at our New York production facility.