Vintage None Better Tool AF10GX

[terryshekell]

My Question is ? I have acquired this vintage tool, and I do not have the first clue what is called or what it is used for NEED YOUR EXPERTISE on THIS !
" NONE BETTER TOOL " AF 10GX.

Thank you
Terry Shekelll

 

[3baygarage]

Possibly a transmission tool based off the number.

A pic would solve this fast. If you repost this in the vintage tool section that would help get more views.