Does anyone recognize this tool?

[tozyp]

Hello Everyone!
I bought a bunch of old Mercruiser parts from a guy and this tool was mixed in with the parts. I was wondering if anyone might know what it is?
Thanks very much! Tom

https://lh3.googleusercontent.com/t...-D2iFuISvRYznqkt-UQy6Zwsq4CnK0QQ=w958-h539-no

 

[bondo]

Ayuh,..... Yer link requires a sign-in,.....

 

[tozyp]

I cannot figure out how to get this photo any larger. Sorry about that. Thanks again!

 

[Bt Doctur]

threaded extention for something. have never seen a mercruiser tool like that

 

[tozyp]

Hmmm, Ok. There were some Chrysler Marine assorted pieces mixed in too. Maybe I can post the question over there. Thanks again!