Ravel RTB202 Intermediate Bb Tenor Trombone with F Attachment<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Key of Bb/F </span></li><li><span class="a-list-item"> 0.547" bore </span></li><li><span class="a-list-item"> 8.5" yellow brass bell </span></li><li><span class="a-list-item"> Yellow brass outer hand slide </span></li><li><span class="a-list-item"> Yellow brass tuning slide </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51d-XeOwj7L.jpg" noproxy>