Do you recognize this swivel socket?

[Oida!]

Gents -

I am a Garage Journal virgin. This is my first posting.

I'm happy to be a part of the group. As a middle-of-the-road DIYer, I have already picked up some valuable knowledge from y'all. As a fairly ignorant virgin might say....thank you for teaching me a thing or two already!

I came across this swivel socket at a garage sale here in Arizona. I threw the seller a quarter and took my newfound swivel socket home.

Markings read: "Darwin UJ 6 3/8"

(See photos below)

Does anyone have any intel on this company? Should I keep this swivel socket in my toolbox?

Thanks in advance.

Cheers!

https://i.imgur.com/JECx2ku.jpg

https://i.imgur.com/0FQeguW.jpg

https://i.imgur.com/sQh6PTH.jpg

https://i.imgur.com/FuvNxUK.jpg

 

[lbhsbz]

bad links

 

[Michael_in_DE]

i cannot see the pics either. Broken links.

You could use:
pictr.com if you cannot attach photos directly to the forum.

 

[3baygarage]

Never heard of Darwin brand.

All - you can see Imgur linked photos. Copy and paste link into the search bar.

 

[mbshop]

Interesting. Sort of looks like an impact swivel.