Martin MA240 Authentic Acoustic SP 80/20 Bronze Bluegrass (12-56)

• Gauge: 12-56
• 80/20 Bronze
• Superior Performance
• MA240

Martin Authentic Acoustic Superior Performance strings feature higher tensile strength and tin-plated core wire on all six strings that enable a fuller and more balanced tone, quicker response and increased tuning stability. Martins impeccable standards for acoustic guitar tone are embedded in their string design and precision manufacturing process.