Martin MA140 Authentic Acoustic SP 80/20 Bronze Light 12-54

Designed to cope with demanding practices and schedules. Martin Authentic Acoustic SP 80/20 strings feature their highest tensile-strength core wire and are tin-plated for enhanced corrosion resistance. These Acoustic SP strings provide players with good tuning stability as well as a true and consistent tone throughout gigs. Manufactured with 80% copper and 20% zinc these acoustic guitar strings yield a bright and ringing tone. These Acoustic SP strings include gauge 12-16-25-32-42-54.