New Martin MSP4000 SP Phosphor Bronze Extra Light Acoustic Guitar Strings (10-47)

Martin MSP4000 SP Phosphor Bronze Extra Light Acoustic Guitar Strings are made with a unique composition to give brilliance, clarity, and longevity of sound. The phosphor bronze winding alloy is ideally suited for making strings that have deep, rich basses and clear, bright trebles.Martin SP Phosphor Bronze acoustic guitar strings are made with the highest quality bronzed steel core wire and phosphor bronze wrap wire.

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