D'Addario EJ45TT ProArte DynaCore Classical Guitar Strings， Titanium Trebles， Normal Tension<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Flexible composite core for greater projection and full round tone </span></li><li><span class="a-list-item"> Titanium trebles for brightness and projection </span></li><li><span class="a-list-item"> Normal Tension </span></li><li><span class="a-list-item"> String Gauges: Trebles .0280， .0332， .0403 Basses .028， .035， .044 </span></li><li><span class="a-list-item"> Made in the U.S.A. for the highest quality and performance </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51AU1TwVrwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51h8-0s0W9L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/410lpNe9Q%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51VXEkamgKL.jpg" noproxy>