Kmise A0779 1 Pack Strong Black Carbon Fiber Cello Endpin 3/4 &amp; 4/4<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> The stem casing is made of the high quality plastic </span></li><li><span class="a-list-item"> With removable rubber tip cover to protect from the metal tip </span></li><li><span class="a-list-item"> Diameter of the Carbon Fiber Rod is : 10mm </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31r7h7ZMCIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31PsqdNAVSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41QwbxzphZL.jpg" noproxy>