Vandoren CM4138 M13 13 Series Profile 88 Bb Clarinet Mouthpiece<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Rich and colorful sound with a very precise response </span></li><li><span class="a-list-item"> Tip Opening - 100.5 (1/100mm) </span></li><li><span class="a-list-item"> Long Facing </span></li><li><span class="a-list-item"> Works best with Vandoren #3.5-#5 Reeds </span></li><li><span class="a-list-item"> Profile 88 Beak; Series 13 A=440 </span></li><li><span class="a-list-item"> Vandoren M13 Bb Clarinet Mouthpiece. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/317xezQLMGL.jpg" noproxy>