Ernesto Palla concert quality classical guitar strings are made of a solid nylon
filament. Gold fourth, fifth, and sixth wound strings are made of 80/20 bronze
plated copper wrapped around a nylon floss core providing a smooth, rich tone.
All Ernie Ball strings are precision manufactured to the highest standards and
most exacting specs to assure consistency, optimum performance, and long life.
Gauges: First = .028, Second = .032, Third = .040, Fourth = .030, Fifth = .036,
Sixth = .042 Medium tension.