Snap on nut?

[rusty65]

I found this in a old mac tool box I bought from some guy on cragislist. Does any know if its made by snap on? And what it is for? And it has a 1980 date code.

 

[Fordman7795]

Rethreader die?

 

[young]

I found this in a old mac tool box I bought from some guy on cragislist. Does any know if its made by snap on? And what it is for? And it has a 1980 date code.

thats a stihl chainsaw bar nut made by stihl.

 

[rusty65]

Interesting thank you for help solving my mystery.

 

[zkling]

Pics of said old mac tool box?

 

[padronanniversary]

Take it to your snap on dealer and f with him. Say you want to warranty it