Is this some kind of socket?

[wolf_from_wv]

It has a 1/2" square in the end.



RASCO



X-X 4

 

[kctyphoon]

Looks like it would be for a shut off valve.. Like for a gas or water line?

Edit - I think it's a wrench for a fire sprinkler head..

 

[mech-tech]

Sprinkler head wrench

 

[Jeepster425]

To me it looks like some kind of puller

 

[gtlaw]

I think it's part of a sprinkler head

 

[wolf_from_wv]

Sprinkler head wrench

Found it

Reliable Automatic Sprinkler Co. Sprinkler Wrench XLO2 XL02

 

[Richard Cranium]

bing bing bing, Yes it is a fire sprinkler wrench.