Martin SP strings are designed with the performer in mind. Martin SP Phosphor Bronze acoustic guitar strings are made with the highest quality bronzed steel core wire and phosphor bronze wrap wire. Our SP line of strings stands up to rigorous practice and performance schedules to deliver consistent true tone that you can count on song after song. Set: MSP4000 Gauge: Extra Light 10-14-23-30-39-47 Tension: 133.3 Package: 6 strings


SKU 930037003424
Barcode # 930037003424

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