Martin Guitar String Authentic Acoustic - SP - Silk & Steel Custom (11.5-47)

Martin Authentic Acoustic SP® guitar strings are part of Martin’s improved range of acoustic guitar strings. Martin Authentic Acoustic SP® strings are engineered with the performer in mind and stand up to rigorous practice and performance schedules.

They are made with a high tensile-strength core wire, then tin-plated for added corrosion resistance. Combined with highest quality wrap wire they provide consistent true tone that you can count on song after song.

Martin Authentic Acoustic SP® strings offer excellent tuning stability, corrosion resistance and great playability.

Gauges: 11.5-14-23-28-38-47 Tension: 122.2