Martin MM12 Monel Retro Light Acoustic Strings are crafted from a long-lasting proprietary nickel-based alloy blend that mellows quickly to a warm vintage tone that brings out the unique, woody sounds in your guitar.
Martin MM12 Features:
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Set: MM12
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Gauge: Custom Light 12-15-25-31-41-54
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Tension: 172.8
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Package: 6 strings