Ernie Ball Ernesto Palla concert quality classical guitar treble strings are made of black nylon monofilament. Silver wound basses are made of silver plated copper wrapped around a nylon multifilament core providing a smooth, rich tone. These strings feature ball end construction for faster, easier installation over traditional tie-end strings. 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
. Please be aware that this item is not typically stocked and if shown in stock on our website, can be ordered in within 1 working day for despatch.