Yet another piece of that "larger deal", that I don't know what it's for:
This item is about 12" long, and solid steel. The big end is clearly a handle. The hole 2" from the other end is about .190" (takes a #12 drill bit, but not a #11). There's an Allen head screw at that end, to tighten things up, so it would grip something round and ~0.190", or flat and ~0.080".
Is it a heavy duty tuning fork? (Naaah. )
Thanks for looking!