Exodus 36:29 in the World English Bible
They were double beneath, and in the same way they were all the way to its top to one ring. He did this to both of them in the two corners.
Context
28 And two boards made he for the corners of the tabernacle in the two sides.
29 And they were coupled beneath, and coupled together at the head thereof, to one ring: thus he did to both of them in both the corners.
30 And there were eight boards; and their sockets were sixteen sockets of silver, under every board two sockets.