 Martin Mfx700 Flexible Core Phosphor Bronze Custom 12 String, Full SetMartin SP Flexible Core strings have a thin, but strong core wire and a thicker wrap wire, which allows them to be flexible and easy on the fingers while holding standard tension. SP Flexible Core strings feel soft to the touch, making them ideal for beginners. But don’t be fooled by comfort! Just ask Tommy Emmanuel, who performs with Martin’s SP Flexible Core strings night after night. With SP Flexible Core, you get total flexibility and total control.Gauges: .010/.010 .014/.014 .025/.010 .032/.012 .042/.018 .054/.027Tensions: 275.3Advanced thin wire core Accessories, Strings, Guitar Strings, Acoustic Guitar Strings, 12 String Sets for Acoustic Guitar Martin 41MFX700 Martin, 12 String Sets for Acoustic Guitar |