Martin SP Flexible Core strings marry our thinnest core wire to our standard tensions.
These Phosphor Bronze acoustic guitar strings are made with the highest quality bronzed steel core wire and phosphor bronze wrap wire. Our 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 our SP Flexible Core strings night after night.
With SP Flexible Core, you get total flexibility and total control.
Gauge: Medium 13-17-26-35-45-56
Package: 6 strings
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