their twenty pillars and their twenty bases were of bronze, but the hooks of the pillars and their fillets were of silver.
The walls of the court, or church-yard, were like the rest curtains or hangings, made according to the appointment, Exo 27:9, etc. This represented the state of the Old Testament church: it was a garden enclosed; the worshippers were then confined to a little compass. But the enclosure being of curtains only intimated that the confinement of the church in one particular nation was not to be perpetual.
Commenting on Exodus 38:9-20
hooks--The hooks of the pillars in the court were for hanging up the carcasses of the sacrificial beasts--those on the pillars at the entry of the tabernacle were for hanging the sacerdotal robes and other things used in the service.