Exodus 38:18-19

And the screen for the gate of the court was embroidered with needlework in blue and purple and scarlet yarns and fine twined linen. It was twenty cubits long and five cubits high in its breadth, corresponding to the hangings of the court. And their pillars were four in number. Their four bases were of bronze, their hooks of silver, and the overlaying of their capitals and their fillets of silver.