Exodus 26:29 (KJV)

And they shall be coupled together beneath, and they shall be coupled together above the head of it unto one ring: thus shall it be for them both; they shall be for the two corners.

And they shall be eight boards, and their sockets of silver, sixteen sockets; two sockets under one board, and two sockets under another board.

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

And five bars for the boards of the other side of the tabernacle, and five bars for the boards of the side of the tabernacle, for the two sides westward.

And the middle bar in the midst of the boards shall reach from end to end.

And thou shalt rear up the tabernacle according to the fashion thereof which was shewed thee in the mount.

And thou shalt make a vail of blue, and purple, and scarlet, and fine twined linen of cunning work: with cherubims shall it be made:

And thou shalt hang it upon four pillars of shittim wood overlaid with gold: their hooks shall be of gold, upon the four sockets of silver.

And thou shalt hang up the vail under the taches, that thou mayest bring in thither within the vail the ark of the testimony: and the vail shall divide unto you between the holy place and the most holy.

And thou shalt put the mercy seat upon the ark of the testimony in the most holy place.