Martin 80/20 Bronze Light Acoustic Guitar Strings 12-54
Economical strings from a great name.
Martin M140 Light Acoustic Guitar Strings have an 80/20 composition for brilliance, clarity, and longevity of sound. The Bronze winding alloy is ideally suited for making strings have deep, rich basses and clear, bright trebles. The Martin M-140 acoustic pack has high-quality strings for daily use. Core and wrap wires meet strict requirements to make the grade. Martin guitar strings are wound to precise specifications.
Bronze alloy for brilliance and long life