Pro-Arté Composite strings offer the traditional elegance of our Pro-Arté 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-Arté Composite strings offer a sound which is both alluring and commanding. This Extra Hard tension set provides maximum resistance and projection.