Martin Lifespan 2.0 Treated 12-54 Light 80/20 Bronze Acoustic Guitar Strings Tin which is nickel on nylon

which is nickel on nylon

Finish: COBALT

Gauge: 13-17-21-30-38-53

Adjustable To Fit All Sizes

Martin Lifespan 2.0 Treated 12-54 Light 80/20 Bronze Acoustic Guitar Strings Tin which is nickel on nylonMartin 6 String Lifespan 2. 0 Treated Acoustic Guitar Strings Gauge: 12 54 (light) Finish: Treated 80 20 Bronze Guitar: Acoustic 6 String Gauges: . 012 . 016 . 025 . 032 . 042 . 054 Code: MA140T Martins next generation Lifespan 2. 0 strings are engineered using a new, patented technology only available from Martin. This technology was developed to protect the core wire and the wrap wire to prevent corrosion without compromising tone. Authentic