NET

21 Each of the pillars was about 27 feet high, about 18 feet in circumference, three inches thick, and hollow.

Darby

21 And as to the pillars: the height of one pillar was eighteen cubits, and a line of twelve cubits encompassed it; and the thickness thereof was four fingers: it was hollow.

KJV

21 And [concerning] the pillars, the height of one pillar [was] eighteen cubits; and a fillet^K5411of twelve cubits did compass it; and the thickness thereof [was] four fingers: [it was] hollow.

KJV Bible Notes

fillet: Heb. thread.

Strong's

21 And concerning the pillars^H5982, concerning height^H6967 of one^H259 pillar^H5982 was eighteen^{H8083 H6240} cubits^H520; and a fillet^H2339 of twelve^{H8147 H6240} cubits^H520 did compass^H5437 it; and the thickness^H5672 thereof was four^H702 fingers^H676: it was hollow^H5014.