Martin Authentic Acoustic MA130 11.5-47 Custom Light Silk and Steel Guitar Strings

Martin Authentic Acoustic Superior Performance SP strings feature higher tensile strength and tin-plated core wire on all six strings that enable a fuller and more balanced tone, quicker response and increased tuning stability.

Gauge: Custom Light
E: .0115
B: .014
G: .023
D: .028
A: .038
E: .047
Tension: 122.2