Exodus 27:10
And the twenty pillars thereof and their twenty sockets shall be of brass; the hooks of the pillars and their fillets shall be of silver.
Nave's Topical Index—AKJV

Exodus 38:10-12,17,19
Their pillars were twenty, and their brazen sockets twenty; the hooks of the pillars and their fillets were of silver.
Nave's Topical Index—AKJV