Turnbuckle mount

This is a two piece mount to help support an adjustable shelf for a projector. The back of the shelf will be hinged to the wall, and the front will have two of these assembles.

The two pieces slide together over a 1/4" turnbuckle eye. I am using a 1/4" threaded rod with a turnbuckle at the shelf end and a rod end clevis and pin eye bolt at the ceiling. Note that one end of the turnbuckle is right hand threads and the other end is left hand threads. You can replace the right hand side with st