D’Addario Folk Nylon strings bring the alluring sound of nylon to all types of acoustic guitars. Folk Nylon sets feature ball ends, making them compatible with other, non-classical acoustic guitars. Combining silver-wound nylon core basses with black nylon trebles, Folk Nylon guitar strings bring warm, mellow, nylon tone to any acoustic. This Normal Tension set is our best-selling tension, preferred for the balance of rich tone, comfortable feel, and dynamic projection. Features: - •\tBlack Nylon Trebles •\tBall-ends on each string to accommodate a variety of guitars, easy string changing •\tSilver-Wound basses •\tEnvironmentally friendly, corrosion resistant packaging for strings that are always fresh •\tMade in the U.S.A. for the highest quality and performance •\tString Gauges: .028, .032, .040, .031, .037, .045