Who makes these sockets?

[t4runner]

I picked up a few of these 1/2" drive sockets at a sale and I don't have any clue as to who makes them.

 

[Flatintoone]

Hinsdale

 

[t4runner]

Thanks I would have never got that on my own

 

[Flatintoone]

Sure. AA on Hinsdale. Are they hex drive or square drive? I've seen both.

 

[t4runner]

They are square drive.