Clear & Silver - Ernie Ball Ernesto Palla concert quality classical guitar treble strings are made of clear nylon monofilament. Silver wound basses are made of silver plated copper wrapped around a nylon multifilament core providing a smooth, rich tone.

Black & Silver - 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.

Black & Gold - Ernie Ball Ernesto Palla concert quality classical guitar treble strings are made of black nylon monofilament. Gold wound basses are made of 80/20 bronze 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.