Martin M540 Phosphor Bronze Acoustic Guitar Strings, Light (12-54)
Martin M540 Phosphor Bronze Light Acoustic Guitar Strings are made from 92/8 composition alloy to give brilliance, clarity, and longevity of sound. The Phosphor Bronze winding is ideally suited for making strings that have deep, rich basses and clear, bright trebles.
- Gauges: .012 - .054
- Bronze alloy for brilliance and long life