D'Addario Helicore Orchestral Bass Single E String， 3/4 Scale， Medium Tension<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 3/4 size bass with a playing length of 41 3/4 inches (1060mm) </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"> Optimized for arco use </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/51H3PPswJYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/71fVqpTKE%2BS.png" noproxy>