Dunlop 210 Tempered Glass Slide， Medium Wall Thickness， Medium<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Accentuates the middle harmonics of your sound </span></li><li><span class="a-list-item"> Processed from high-quality boron silicate </span></li><li><span class="a-list-item"> Heat treated and annealed </span></li><li><span class="a-list-item"> Medium， fits ring size 11 </span></li><li><span class="a-list-item"> Medium with heavy wall fits ring size 10-1/2 Large fits ring size 14 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Pz89MRaqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/216iAwfIB4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/11zL7xqwCaS.png">