Martin Authentic Acoustic Lifespan 2.0 Guitar Strings 80/20 Bronze Light MA140T

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

Gauge	E	B	G	D	A	E	Tension	Model
80/20 Bronze
Light	.012	.016	.025	.032	.042	.054	167.3	MA140T