Gauges 10-14-23-30-39-47.
Martin M170 80/20 Bronze Round Wound Extra Light Acoustic Guitar Strings employ 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.
![Martin M 170 BRONCE WOUND 010/047 Martin M 170 BRONCE WOUND 010/047](https://www.mitrosmusic.com/media/inlineimage/upload_9981_1_d.jpg)