- New Condition
NOS Martin SP Marquis Phosphor Bronze Light .012 - .054 *Sealed to prevent no oxidation* These strings were sealed from the elements and taken in on a trade in great non-oxidized condition. The Martin "Superior Performance" SP strings are designed for strength, with a 92/8 phosphor bronze wrap for extra warmth. Marquis silk wrap at the ball end for added protection for bridge pins and bridge plates, shows an extra step in quality coming from the worlds leader in acoustic instruments.
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