Exodus 27:17
All the pillars round about the court shall be filleted with silver; their hooks shall be of silver, and their sockets of brass.
Exodus 38:17
And the sockets for the pillars were of brass; the hooks of the pillars and their fillets of silver; and the overlaying of their chapiters of silver; and all the pillars of the court were filleted with silver.
Exodus 38:28
And of the thousand seven hundred seventy and five shekels he made hooks for the pillars, and overlaid their chapiters, and filleted them.