Exodus 27:9-12

9“You shall make the court of the tabernacle. The south side of the court is to have curtains of fine twisted linen, a hundred cubits long for one side;

10it shall have twenty pillars and twenty bronze sockets; but the hooks of the pillars and their fasteners shall be silver;

11likewise for the north side there shall be curtains, a hundred cubits long, and its twenty pillars and twenty bronze sockets; but the hooks of the pillars and their fasteners shall be silver.

12For the width of the court on the west side there shall be curtains of fifty cubits, with ten pillars (support poles) and ten sockets.