Any idea what these are?

[AlD]

I got these from a load of tools I purchased from a machine shop, and have never seen anything like them before. Anyone out there know what they are?

Thanks in advance

Al

 

[kbs2244]

cylinder hones ??

 

[AlD]

Cylinder hones? Don't think so.

 

[tesla's ennui]

tools to hold or unscrew collets

 

[turbowoodworker]

Tool to scrape the bottom of a flat bottom hole?

 

[txvwnut]

tools to hold or unscrew collets

Bingo!

 

[rsanter]

tools to hold or unscrew collets

This

 

[AlD]

Yeah, that's got it. I looked it up, it's called a collet keyway wrench. Thanks so much!
Al