Lovely 42+ Martin M140 Bronze Acoustic Guitar Strings, Light
Lovely 42+ Martin M140 Bronze Acoustic Guitar Strings, Light. Martin m140 light acoustic guitar strings have an 80/20 composition for brilliance, clarity, and longevity of sound. The m140 acoustic bronze is a set of six strings for western guitars. Martin m140 80/20 bronze medium acoustic guitar strings. Martin's original m140 light gauge strings, with 80/20 composition, are ideally suited for players who love deep, rich bass tones and clear, bright trebles.