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  • 41/MSP7050

    Martin MSP7050 - SP Lifespan 92/8 Phosphor Bronze Custom Light 11-52 Acoustic Guitar Strings

    Martin SP Lifespan strings are the next level in studio performance.

    Treated for long life, they repel dirt, grit and other environmental elements that can quickly alter the sound of your strings. The treatment is so incredibly thin, you won’t even know it’s there.