Exodus 36:30 KJV

And there were eight boards; and their sockets were sixteen sockets of silver, under every board two sockets.
Exodus 36:30, King James Version

In context

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.

31 And he made bars of shittim wood; five for the boards of the one side of the tabernacle,