This 3-pack of Martin® Authentic Acoustic® Superior Performance SP® strings features 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.
String Gauges: .012 – .016 – .025 – .032 – .042 – .054
