Martin M150 80/20 Bronze Round Wound Medium Acoustic Guitar Strings are made from a composition alloy to give brilliance, clarity, and longevity to your sound. The Bronze winding is ideally suited for making strings that have deep, rich basses and clear, bright trebles.

Martin M150 80/20 Bronze Round Wound Acoustic Guitar Strings are the standard in bronze acoustic guitar strings. Unique in look, feel, and tone.

Gauges .013-.056.