Recent 13++ Martin M140 80/20 Acoustic Guitar Strings, Ligh...
Recent 13++ Martin M140 80/20 Acoustic Guitar Strings, Ligh.... Martin traditional strings are our flagship line that stands the test of time. Item # 100021 | model # 41m140 featuring deep, rich lows and clean, crisp highs, the martin m140 80/20 bronze light acoustic guitar strings are a mark of. Tried and true, they are designed to deliver consistent quality and tone with every set. Site1prod100021 100021 martin m140 80/20 bronze light acoustic guitar strings skip to main content skip to footer.