Thomastik-Infeld S27 Spirocore Cello Strings， Single D String， 4/4 Size， Steel Core Chrome Wound<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Used by Students and Professionals around the world </span></li><li><span class="a-list-item"> Made in Austria </span></li><li><span class="a-list-item"> Genuine Thomastik-Infeld Product </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51tIEly3raL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51NvUu1mR4L.jpg" noproxy>