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Martin Era MP535T Custom Light 11-52 acoustic guitar strings combine patented Lifespan treatment with Flexible Core construction for superior corrosion resistance and comfortable playability. The phosphor bronze wrap delivers warm, balanced tone suitable for various playing styles. Silk-wrapped ball ends protect vintage instruments and add a premium touch.

• Custom Light 11-52 gauge for balanced tension
• Patented Lifespan treatment resists corrosion
• Flexible Core enhances fretability and comfort
• Silk-wrapped ball ends for vintage-style protection