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

Strings are designed for the performing artist and the performer who will always perform with the spirit of hard practice and tight performance schedule. We start with the strongest core wire, tin plating all 6 strings for increased resistance to oxidation. When combined with the highest quality winding wire, you get a solid sound you can count on every song.

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

Characteristic:

• Gauges: .012, .016, .025, .032, .042, .054