jeez...each and every one of them says 'tubing appliance' on it.
does that give you a clue?

You know it says "Company" too right? Tubing Appliance Company? The company? lol![]()
They're for making Proto collectors drool. I Haven't seen a set that big in a while.

You know it says "Company" too right? Tubing Appliance Company? The company? lol![]()
Curious question - why does one of them have flathead screws while the rest have crossheads?
Yup, that's it!
I've had a couple for 30 years, but have yet to put them to work.