Jeremiah 52 21
Each column was eighteen cubits tall and twelve cubits around. They were hollow with walls four fingers thick.
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CSB Jeremiah 52:21One pillar was 27 feet tall, had a circumference of 18 feet, was hollow — four fingers thick —
KJV Jeremiah 52:21And concerning the pillars, the height of one pillar was eighteen cubits; and a fillet of twelve cubits did compass it; and the thickness thereof was four fingers: it was hollow.
WEB Jeremiah 52:21As for the pillars, the height of the one pillar was eighteen cubits; and a line of twelve cubits encircled it; and its thickness was four fingers. It was hollow.