Martin SP 80/20 Bronze Authentic Acoustic Guitar Strings (Custom Light 11-52)

Martin SP 80/20 Bronze Authentic Acoustic Guitar Strings (Custom Light 11-52) 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. Martin’s impeccable standards for acoustic guitar tone are embedded in their string design and precision manufacturing process. That’s why they make their own.