Ernie Ball Everlast Medium Light Coated Phosphor Bronze Acoustic Set， .012 - .054<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 1，000 times thinner than any other string coating </span></li><li><span class="a-list-item"> Everlast treatment is applied to both the inner hex core and outer wrap wire to provide ultimate protection without compromising tone or feel </span></li><li><span class="a-list-item"> Rich， Warm tone played by acoustic greats around the world </span></li><li><span class="a-list-item"> Element Shield Packaging Prolongs string life and keeps strings as fresh as the day they were made </span></li><li><span class="a-list-item"> Made in California， U.S.A. Featuring the finest and freshest materials. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/61vxrqoGrCL.jpg" noproxy>