Pulled out my gear stash, no two are the same. Used the one closest to the fit and attempted to cast some in epoxy. It didn't work.
So I'll use those two
I think I found one on the internet but it was quite blurry. I got another one from a member. An original would be much better . It was called:" A Tidewater Trucker Project" by Phil Jensen. Building yhr Holmes 750 Twin boom 25 ton wrecker and it was in two parts. At the bottom of the page it says March 1973 car model. Could that be Car Modeler?