Martin M150 80/20 Bronze Round Wound Medium Acoustic Guitar Strings

Gauges 13, 17, 26, 35, 45, 56.Martin M150 80/20 Bronze Round Wound Medium Acoustic Guitar Strings are made from a composition alloy to give brilliance, clarity, and longevity of sound. The Bronze winding is ideally suited for making strings that have deep, rich basses and clear, bright trebles.