What would this socket fit?

[Mike'smeatshop]

I have no idea. I found in a bunch of tools. Thanks.

 

[Higgy1300]

Perhaps a lugnut

 

[Snip's]

Looks like a wheel lock key...

 

[Oldtuleguy]

Wheel lock?

 

[nadogail]

Some kind of a Tamper Resistant fastener, maybe a lug nut.

 

[LXCam]

I’m with those guys.

 

[ecotec]

I wish my wheel lock key socket was that well made.

 

[Mike'smeatshop]

Thanks guys. Wish I could use it.