Cleartone EQ 7812 Hybrid Metal Acoustic Guitar Strings， Light， 12-53<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Worlds first set with Hybrid Metal Acoustic technology </span></li><li><span class="a-list-item"> Designed to mimic "perfect EQ" setting </span></li><li><span class="a-list-item"> Takes the guesswork out of 80/20 vs. phosphor bronze </span></li><li><span class="a-list-item"> Highlights your guitars natural frequency response </span></li><li><span class="a-list-item"> String Gauges: 12， 16， 26， 33， 43， 53 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51s-88sH7wL.jpg" noproxy>