Old Wrench -Very Cool

[mojjax]

It's a SpeedNut - paid $1.00 . It closes on it's own , when you crank the handle .

 

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[JimDon]

Wow that seems ingenious. I wonder why it did not catch on?

 

[mojjax]

it has a patent date -1916

 

[AlienLifeForm]

It does seem like a good idea. I'd have given a dollar as well, I like it.

 

[trdking]

The 8" one sells for 51 bucks on eBay. Id say good deal!

 

[Professor of Engineering]

Very interesting find!

 

[nsdq]

Nice find

 

[Jyorsky]

possible that it might be an old Henry Ford tool for MOdel a or Model

 

[diggummup]

Worth a dollar all day long!