What size?

[rb68rr]

What size socket do I need to remove the arp rod bolts on my car?

 

[rb68rr]

ttt

 

[turbofabricator]

7/16" 12 point socket.

 

[rb68rr]

I tried a regular 7/16 socket and it wouldn't go on. So a 12 point will? And a 12mm was too big!