Product: Martin SP 7100 Phosphor Bronze Lifespan Coated Acoustic Strings Light
Brand: C.F. Martin & Co.
Designed to repel the oils and dirt that can deaden strings
Bright, but slightly warmer sound than 80/20 bronze when first put on the guitar
Recommended for lead rock, blues, and folk styles
Gauge (light): 12-16-25-32-42-54

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