what is this tool called?

[4getr34]

http://difflock.com/buyersguide/tools/images/Socket-13a.jpg

I need to access the rear carrier bracket bolts which is a bit harder to access vs the front. a tech recommended putting this on the wrench for pivot access. what is it called? thanks a lot!

 

[airbuff101]

Joint.
That one appears to be ...um ....Universal.

airbuff

 

[thatcoder]

socket adapter U-Joint

 

[shotgunfatcat]

universal joint, flex joint, bendy thingy.

 

[diesel research]

a swivel?

 

[4getr34]

love this forum! thank you all