Martin MA140 Authentic Acoustic SP 80/20 Bronze Acoustic Guitar Strings - Light (.012-.054)

Martin MA140 is a Light-gauge (.012-.054) set of Authentic Acoustic SP 80/20 bronze acoustic guitar strings. The set uses Martin's high tensile-strength core wire, tin-plated on all six strings for added corrosion resistance, paired with 80/20 bronze wrap wire for a bright, clear tone. These strings are built for tuning stability and consistent playability through demanding practice and performance schedules.