Ernie Ball M-Steel Skinny Top-Heavy Bottom Set， .010 - .052<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Superior magnetic attraction providing the most expressive strings ever created </span></li><li><span class="a-list-item"> Dynamic frequency response with increased output and added strength </span></li><li><span class="a-list-item"> Super Cobalt alloy wrapped around a Maraging steel hex core wire， producing a richer and fuller tone with powerful low end response </span></li><li><span class="a-list-item"> Made in California， U.S.A. Featuring the finest and freshest materials. </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></ul></div><img src="http://ecx.images-amazon.com/images/I/61NXxgJeVQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51f7DJLd3iL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/01G2aSYe7yS.png" noproxy>