Martin SP 80/20 Bronze Medium Guitar String Set (13-56)
Martin SP 80/20 Bronze acoustic guitar strings are made with our highest quality bronzed steel core wire and bronze wrap wire. Our SP line of strings stands up to rigorous practice and performance schedules to deliver consistent true tone that you can count on song after song.
Gauge: Medium 13-17-26-35-45-56
Package: 6 strings