Martin M260 Ball End Regular Tension Classic Guitar Strings strings are made with a unique 80/20 composition alloy to give brilliance, clarity, and longevity of sound. The bronze winding alloy is ideally suited for making strings that have deep, rich basses and clear, bright trebles.
- 80/20 composition alloy to give brilliance, clarity, and longevity of sound
- Bronze alloy for bright trebles and long life.
- Gauges : .028 .032 .040 .030 .035 .043
- Strings are made with Bronze wrap wire.