Vandoren CM344 B45 Bass Clarinet Mouthpiece<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Same sound characteristics as B44 with a larger tip opening which makes it very responsive </span></li><li><span class="a-list-item"> Tip Opening - 193 (1/100mm) </span></li><li><span class="a-list-item"> Medium Long Facing </span></li><li><span class="a-list-item"> Works best with Vandoren #2.5-#3.5 Reeds </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31j6CVrRV%2BL.jpg" noproxy>