Thomastik-Infeld IB100 Blue Violin Strings， Complete Set， IB100， 4/4 Size， Synthetic Core<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/51h41jWzWEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61Ym0RGt6XL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51Ok9iL9e1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41T7PbH6GeL.jpg" noproxy>