Martin Guitars MA240 Authentic SP Acoustic Strings 80/20 Bronze – 12-56 Bluegrass

Description 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 six strings for added corrosion resistance. Martin Authentic Acoustic SP strings offer excellent tuning stability, corrosion resistance and great playability. Features Gauge: Bluegrass Gauges: 12, 16, 25, 35, 45, 56 Tension: 184.0