D'Addario Helicore Viola Single D String， Long Scale， Medium Tension<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Long-scale viola (body length 16-16 1/2 inches) with a playing length of 15 inches (380mm) </span></li><li><span class="a-list-item"> Medium tension </span></li><li><span class="a-list-item"> Stranded steel core provides optimum playability and produces a clear， warm tone </span></li><li><span class="a-list-item"> Versatile string that works well for a wide variety of playing styles and instruments </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/51texsUhT-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/71EV6bYvlES.png" noproxy>