H & M Tool Reamer?

[Utah Shooter]

Trying to do a search online and not finding a lot of information. Anyone know anything about them?

These ones are not marked but that they are HSS (High speed steel I assume) and then the caliber for them.

 

[bibsmachine]

I tried looking for them also a while back and I did not have any luck ?

 

[Utah Shooter]

Any one else?

 

[PRONE SHOOTER]

They were in Michigan and are decades out of business.