Martin MA500 Authentic Extra Light 12 String Phosphor Bronze

Martin Authentic Acoustic strings are engineered with the performer in mind and they will always stand up to rigorous practice and performance schedules. The tensile-strength core wire is tin-plated on all 12 strings for added corrosion resistance.

Martin Authentic Acoustic SP strings offer excellent tuning stability, corrosion resistance and great playability.

Gauge: Extra light 12-string
Gauges: 10, 14, 23, 30, 39, 47 & 10, 14, 10, 12, 18, 27
Tension: 263.3