ChromaCast CC-GS-CB-M-12-2PK Coated 80/20 Bronze Acoustic Guitar Strings， Medium<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Long lasting， Classic Bronze strings </span></li><li><span class="a-list-item"> These strings give you great response， clarity， bright trebles and deep， rich bass tones </span></li><li><span class="a-list-item"> Made of 85% Copper and 15% Zinc </span></li><li><span class="a-list-item"> Sealed， corrosion resistant packaging prolongs string life. Made in the U.S.A. </span></li><li><span class="a-list-item"> 12 String Medium Gauge: .012/.012， .016/.016， .026/.010， .034/.017， .044/.024， .054/.030 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51nP2zGwPHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61tD5PHO-jL.jpg" noproxy>