What are they?

Andrew Albrecht

Moderator
Here are 2 items from my auction lots today. the small one is all brass my guess if fire truck related , not sure. And the larger one is cast iron. Along the same lines maybe a vintage fire plug wrench? any help would be great, don't take my word for it. lol :bonk:
 

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John Dunn

New member
Bottom one looks like an unfinished engagement yoke for a collet closer like used on a metal lathe or work holding fixture. Scroll through some google images for "collet closer", many similar but I didn't see the exact one. It would depend which brand machine it was for.
 
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