Generic Viola Strings Set Carbon Steel Core Nickel Alloy Wound 16 inch<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Steel Core </span></li><li><span class="a-list-item"> Fits 16 inch Size </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41EDN7viLeL.jpg" noproxy>