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    Martin FX Flexible Core Acoustic Guitar Strings, 80/20 Bronze

    Martin FX 80/20 Acoustic Guitar Strings feature flexible core wire for better tone and sustain.
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    Web Item #MATMFX640

    Martin FX 80/20 Acoustic Strings
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    Martin Warranty: Martin Warranty Martin offers a limited lifetime warranty on all of their guitars (valid only to the original owner.) Backpackers, Little Martins and Ukuleles are warrantied for one year. Strings are not covered under warranty. If you have additional warranty questions, please call the manufacturer at 610-759-2837
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    In Stock | Will Ship Mon
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    • on orders over $29
    • 2 Day: $10
    • Overnight: $22
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    • on orders over $29
    • 2 Day: $12
    • Overnight: $24
    SpeedPlay: on orders of
    $249
    $3.75 Seen a lower price?
    This product ships to: Can ship to United States Can ship to Canada Can ship to Puerto Rico Can ship to APO/FPO

    This item must be exchanged directly through the manufacturer if it is found to be defective, and can only be returned to us if it is unopened.

    Payment Options We DO NOT COLLECT TAX except on orders shipped to New Jersey.

    Martin FX 80/20 Acoustic Guitar Strings Product Description

    Martin FX guitar strings utilize an advanced thin wire core wire to increase flexibility and improve sustain without sacrificing tone, durability or playability. 80/20 bronze strings provide clear ringing trebles coupled with a less obtrusive low end.

    Same Day Music is an authorized dealer of Martin products.

    Martin FX 80/20 Acoustic Guitar Strings Technical Description

    Light gauge (MFX640): .0120 .0160 .0250 .0320 .0420 .0540
    Tension: 160.5

    Light/Medium gauge (MFX645): .0125 .0165 .0255 .0335 .0435 .0550
    Tension: 171.9

    Medium gauge (MFX650): .0130 .0170 .0260 .0350 .0450 .0560
    Tension: 181.1

    Custom Light gauge (MFX675): .0110 .0150 .0230 .0320 .0420 .0520
    Tension: 147.6

    Same Day Music is an authorized dealer of Martin products.
    Shipping Weights and Dimensions
    12-54, MFX640, Light
    Shipping Dimensions: 4 x 4 x 1 in
    13-56, MFX650, Medium
    Shipping Dimensions: 4 x 4 x 1 in

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