Yirmeyah 52:21

21 And concerning the Ammudim, the height of one ammud was eighteen cubits; and twelve cubits in circumference; and the thickness thereof was four fingers: it was hollow.

Yirmeyah 52:21 Meaning and Commentary

Jeremiah 52:21

And [concerning] the pillars, the height of one pillar [was]
eighteen cubits
As in ( 1 Kings 7:15 ) ; said to be thirty five, ( 2 Chronicles 3:15 ) ; of the reconciliation of which, (See Gill on 2 Chronicles 3:15): and a fillet of twelve cubits did compass it;
a thread or line of that measure encompassed each of the pillars, ( 1 Kings 7:15 ) ; and the thickness thereof [was] four fingers;
either of the pillar, or the fillet about it; that is, the brass of it was four fingers thick: [it was] hollow;
that is, the pillar was hollow.

Yirmeyah 52:21 In-Context

19 And the cups, and the firepans [for incense], and the bowls, and the caldrons, and the menorahs, and the pans, and the bowls; that which were made of zahav, and that which made of kesef, the captain of the guard carried away.

20 The two Ammudim, one Yam, and twelve bronze bulls that were under the bases, which HaMelech Sh’lomo had made in the Beis Hashem: the bronze of all these vessels was beyond weight.

21 And concerning the Ammudim, the height of one ammud was eighteen cubits; and twelve cubits in circumference; and the thickness thereof was four fingers: it was hollow.

22 And a capital of nechoshet was upon it; and the height of one capital was five cubits, with network and pomegranates upon the capitals round about, all of nechoshet. The second pillar also and the pomegranates were similar unto these.

23 And there were ninety and six pomegranates on a side; and all the pomegranates upon the surrounding network were a me’ah (hundred).