This set of strings was designed in collaboration with Aquila in Italy to provide the optimal tone and response for the unique size and characteristics of the Cordoba Mini. Cordoba Mini Strings are made with Aquila’ Supernylgut for premium tone and tuning stability, and feature a ball-end design for easy and reliable installation.This version is set up for E tuning or standard guitar 6E 5A 4D 3G 2B 1e.