That is inserted into the top tier of the right pedestal of my desk. It is not "mounted" I did drop the drawer (and now need to stain the top of it since at one time it was a two tier drawer until I cut it down)
Tried pulling the IPC tray out to cover the top of it, but the edges stick out . LOL
If you are asking what is the raptor mounted too?
Its not.. LOL
Its floating and COMPLETELY silent
Tis only my third raptor, they All chatter. The flexy bends, and the paper between (approx 200 sheets of paper_) make the rpator completely silent silent though. Once I get some thinker styrofoam padding like in the bottom of a mobo box, folded 3-4 times, I will pull the book out and finish reading it (or at least swap it out for the next book on my list