Martin Lifespan SP 80/20 Bronze Acoustic Guitar Strings, Medium
Coated medium gauge (.013 - .056) 80/20 bronze acoustic guitar strings
- Gauges: .013, .017, .026, .035, .045, .056
- Bronzed steel core wire wrapped with 80/20 bronze wire
- All 6 strings are treated with a super thin coating that repels environmental elements and significantly extends string life