J47 Normal, Gold nylon 0280 0322 0403 029w 035w 043w Pro Arte.
Several years of development led to the Pro Arte series, where the diameter of each string is checked 200 times using a sophisticated computerized laser system.
This extremely careful quality control is unique and guarantees an absolutely consistent and high standard on the strings from set to set. According to many concert guitarists the best string set ever created, and highly recommended by most guitar teachers.