Martin MA540T Lifespan 2.0 Treated 12-54 Light Phosphor Bronze Guitar Strings

Next generation Martin Authentic Acoustic Lifespan 2.0 strings are engineered using a new, patented anti-corrosion treatment only available from Martin. It protects the core and wrap wire to prevent corrosion without compromising tone or feel.

Gauge: Light
E: .012
B: .016
G: .025
D: .032
A: .042
E: .054
Tension: 168.5