Designed in collaboration with Aquila in Italy to provide the optimal tone and response for the unique size & characteristics of the Cordoba Mini. Made with Aquila's Supernylgut for premium tone and tuning stability, featuring a ball-end design for easy and reliable installation. For A tuning, up a fourth from standard guitar tuning: 6A 5D 4G 3C 2E 1a. These are the strings installed on the Mini at the factory.