Thomastik Dominant 4/4 Violin D String Medium Aluminum-Perlon<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> D string </span></li><li><span class="a-list-item"> 4/4 violin </span></li><li><span class="a-list-item"> Medium guage </span></li><li><span class="a-list-item"> Aluminum Winding - Perlon Core </span></li><li><span class="a-list-item"> Ball end </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41VL39eTuAL.jpg" noproxy>