Exodus 38:10

Overview - Exodus 38
1	The altar of burnt offering.
8	The laver of brass.
9	The court, and its hangings.
21	The sum of what the people offered, and the use to which it was applied.

Exodus 38:10  (King James Version)
Their pillars were twenty, and their brasen sockets twenty; the hooks of the pillars and their fillets were of silver.