D'Addario Zyex Violin String Set with Aluminum D， 4/4 Scale， Medium Tension<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 4/4 scale violin with a playing length of 13 inches (328mm) </span></li><li><span class="a-list-item"> Medium tension with Aluminum D string (also available with silver) </span></li><li><span class="a-list-item"> Zyex synthetic core produces a rich， warm tone </span></li><li><span class="a-list-item"> Short break-in time and excellent bow response provides superb playability and a broad tonal palette </span></li><li><span class="a-list-item"> All D'Addario strings are designed， engineered and manufactured in the USA to the most stringent quality controls in the industry </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/514VlwdDl1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/71LokR%2BqGsS.png" noproxy>