Martin MA550 Authentic Acoustic SP Medium Strings 13-56
Martin Authentic Acoustic SP strings offer excellent tuning stability, corrosion resistance and great playability.
.013
.017
.026
.035
.045
.056
Martin MA550 Authentic Acoustic SP Medium Strings 13-56
Martin Authentic Acoustic SP strings offer excellent tuning stability, corrosion resistance and great playability.
.013
.017
.026
.035
.045
.056