brass. All other sockets (of boards) in "silver" (Exodus 26:19. denoting redemption). The sockets of these pillars (the way of access) of "brass" (denoting judgment in righteousness). Compare the brazen Altar and Laver.
hooks. pegs, pins, or nails.
Related Commentaries of Exodus 27:10
Exodus 27:10
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.