D'Addario NS Electric Cello Single A String， 4/4 Scale， Medium Tension<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 4/4 size cello with a playing length of 27 1/2 inches (700mm) </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"> Designed for use on electric instruments but also suitable for acoustic </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/51DvpqqCFkL.jpg" noproxy>