D'Addario Kaplan Ball End Violin Single E String， 4/4 Scale， Extra-Heavy Tension<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 4/4 size violin - playing length of 13 Inches (328mm) </span></li><li><span class="a-list-item"> Extra-heavy Tension </span></li><li><span class="a-list-item"> Precision high-carbon steel construction </span></li><li><span class="a-list-item"> Ball end </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/51f6yd2kG9L.jpg" noproxy>