Martin MA180T Authentic Acoustic Lifespan 2.0 Treated Guitar Strings - 80/20 Bronze 12 String Extra Light

Martin MA180T Authentic Acoustic Lifespan 2.0 Treated Guitar Strings are a must-have if you want the best sound out of your acoustic guitar. Utilizing a patented new technology, Martin has developed these strings to protect the core and wire wrappers from corrosion while retaining tone - allowing for a shockingly long stress-free playing experience.