Ernie Ball Ernesto Palla Nylon Black & Silver Set, 28-42 Medium Gauge Ernie Ball offer the highest standard in classical guitar strings with a ball end. Experience great tone and feel thanks to the silver-plated copper and quality solid nylon filament. Ernie Ball's new Element Shield technology will ensure your strings are always factory fresh - More playing and less time changing strings. Long lasting, medium tension strings Ernie Ball offer consistent professional quality. Delivering a rich, warm and smooth sound ensuring optimum performance. These strings will be at home on any quality classical acoustic guitar. Features Ernesto Palla concert quality classical guitar strings are made of a solid nylon filament with a ball end Silver fourth, fifth, and sixth wound strings are made of silver 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 Medium tension and great projection Element Shield packaging means longest life factory fresh, all the time. (black)First .028,(black)Second .032,(black) Third .040, Fourth .030, Fifth .036, Sixth .042