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SP® Flexible Core

It isn't just about flexibility; it's about bending the note till it rings true. Martin SP Flexible Core strings marry our thinnest core wire to our standard tensions. 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.

It isn't just about flexibility; it's about bending the note till it rings true. Martin SP Flexible Core strings marry our thinnest core wire to our standard tensions. 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.

Ships within the U.S. only - Excludes Alaska and Hawaii

List price

$5.99

$5.99

$5.99

$5.99

$9.99

$5.99 - $9.99

List price

$5.99

$5.99

$5.99

$5.99

$9.99

$5.99 - $9.99

STRING GAUGES AND TENSION
GaugeEBGDAETensionModel
92/8 PHOSPHOR BRONZE
Custom Light .011 .015 .023 .032 .042 .052 151.7 MFX775
Light .012 .016 .025 .032 .042 .054 164.8 MFX740
Medium .013 .017 .026 .035 .045 .056 186.2 MFX750
Extra Light 12-String

.010

.010

.014

.014

.025

.010

.032

.012

.042

.018

.054

.027

275.3 MFX700
SILK & PHOSPHOR
Custom .011 .013 .023 .028 .038 .047 128 MFX130
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