Originally Posted by pastorbobnlnh

I have one of these in my collection of freewheel tools, and I have yet to successfully use it. I'm guessing that it is supposed to hold the outer body of a Regina Corsa or Atom freewheels when trying to thread off the final cog. But, I can't seem to get to clamp down enough to keep the body from spinning under the leverage of the chainwhip.



The internal part of this vise is threaded, so it appears to lock in, but that's theory and not actual experience.