Martin Authentic Phosphor Bronze SP Custom Light 11-52 Promo 3 Pack

Martin Authentic Phosphor Bronze SP Custom Light 11-52 Promo 3 Pack

Martin's Authentic Acoustic Superior Performance SP strings offer a balanced and full tone, quick response, and superior tuning stability. All six strings feature tin-plated core wire and higher tensile strength. Martin's attention to detail and dedication to acoustic guitar tone is evident in their string design and precision manufacturing process.