This is one of my newest creations. Less than $10.00.
Since my workbench is on wheels and the rotating casters are on the other end I needed to put a wheel on the leg of the vice. This is not the prettiest bench in the world but it works. I am afraid that a real bench would ruin here in Houston because of the high changes in humidity. The bench right now has a hollow core door as a top, but will soon be change out with a solid core door.
The threads used are 3/4" all thread. I made a floating nut box that sits against the inside of the leg and frame. The All-thread then threads into this to provide tension when the steering wheel is turned.. Works very well. Will work much better when the new top goes on. The whole bench should become more rigid.
-- Tor and Odin are the greatest of gods.