F. Martin & Co. M170 80/20 Bronze Acoustic Guitar Strings - Extra 1 Pack Product Details Item Weight: 0.96 ounces Product Dimensions: 4.2 x 1 x 0.4 ins Shipping Weight: 1.12 ounces Domestic Shipping: Item can be shipped within U. S. International Shipping: This item is not eligible for international shipping. Learn More Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.... (read more) Item model number: M170 Gauges:010 -.047 Bronze alloy for brilliance and long life Martin M170 80/20 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.
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