Martin MM13 Retro 6-String Medium, Monel Acoustic Guitar Strings

Martin MM13 Retro 6-String Medium, Monel Acoustic Guitar Strings Martin Retro strings are a tough set that offers true, consistent tone and sounds like nothing else on the market. Martin's solid nickel/copper alloy blend provides a reduced pick attack that allows the guitar's tonewoods to be heard, not overshadowed. Martin's proprietary Monel wrap wire is naturally corrosion resistant. Gauge: Medium E: .013 B: .017 G: .026 D: .035 A: .045 E: .056 Tension: 190.9