For electric bass performance, strings on your electric bass have a major impact on its sound and playability. So it is vital to choose strings that suit your instrument, tone and playing style. Wound strings are made of advanced steel cores and nickel-plated alloy winding, with nickel-plated ball-end. The set feature an advanced electromagnetic property, even-steady vibration, and good tenuto. It is suitable for 4-strings electric basses.