Ernie Ball Baritone Guitar Nickel Wound Set， .013 -.072<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Most popular bass string alloy </span></li><li><span class="a-list-item"> Well balanced </span></li><li><span class="a-list-item"> Good all around sound </span></li><li><span class="a-list-item"> Made from nickel plated steel wire wrapped around tin plated hex shaped steel core wire </span></li><li><span class="a-list-item"> Produces well balanced all around good sound </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/61DxTTlzvKL.jpg" noproxy>