Exodus 26:24-26

Amplified Bible

²⁴ They shall be joined together underneath, and joined together on top with one ring. So shall it be for both of them; they shall form the two [rear] corners. ²⁵ There shall be eight boards and sixteen silver sockets; two sockets under each board.

²⁶ “Then you shall make [fifteen] bars of acacia wood: five for the boards of one side of the tabernacle,