Coated version of D'Addario's best selling mandolin set</br>Loopend construction for universal fit</br>Phosphor Bronze for long lasting?? warm and bright tone</br>Made in the U.S.A. for the highest quality and performance</br>String Gauges: Plain Steel .011/.011?? 015/.015?? Phosphor Bronze Wound .026/.026?? .040/.040</br></br>Product Description</br></br>An ultra-fine layer of EXP Coating is bonded to the phosphor bronze wrap wire which is then wound onto the hex-shaped core wire. The result is a built-in barrier against the corrosion and wear that can quickly sap the life out of your strings and your sound. EXP coated phosphor bronze mandolin strings have a natural round wound feel and sound fresh and bright with a "string tone" that lasts three to four times longer than traditional guitar strings.</br><br/>http://www.amazon.com/gp/product/B0006IQNGQQ lo