Drain plug size

[cardboard]

I am trying to check transfer case fluid level. Can someone tell me what size socket I need for the removal of the drain and fill plug.
Thanx Cardboard

 

[cardboard]

Well I am out of tools in my toolbox. I guess i need the real official size socket. :helpme:

 

[joe_peters]

I ran out choices in sockets and used an adjustable end wrench, aka Crescent wrench.

 

[lawsoncl]

30mm I think.

 

[90Blue_XJ]