Martin MSP4600 12-String Phosphor Bronze Extra LightAcoustic Guitar Strings

Gauges 10-14-23-30-39-47.

Martin SP Acoustic strings are designed with the performer in mind. Made with high-tensile strength core wire and finished with the highest-quality wrap wire, Martin's 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.