Thomastik-Infeld 137 Dominant Nylon Core Viola String， Medium Gauge， 4/4 Scale， D<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Made with a highly flexible， multi-strand synthetic core </span></li><li><span class="a-list-item"> Provide the tonal warmth and feel of a gut string while being impervious to changes in humidity </span></li><li><span class="a-list-item"> The sound is soft， clear with a stable intonation and they are rich in overtones </span></li><li><span class="a-list-item"> Its radiance and ability to project sound without being metallic comes to the fore both in Arco and pizzicato passage </span></li><li><span class="a-list-item"> Effortless response to intricate fingering and its tuning stability even under extreme atmospheric conditions </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/516Q5sTN47L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Nsi7gftOL.jpg" noproxy>