Exodus 26:25-27

25And there shall be eight boards, and their bases, of silver, sixteen bases; two bases under one board, and two bases under another board.

26And thou shalt make bars of acacia-wood; five for the boards of the one side of the tabernacle,

27and five bars for the boards of the other side of the tabernacle, and five bars for the boards of the side of the tabernacle at the rear westward;