Cross reference
Ezekiel 41:3
3 Then went he inward, and measured the post of the door, two cubits; and the door, six cubits; and the breadth of the door, seven cubits.
Ezekiel 40:16
16 And there were narrow windows to the little chambers, and to their posts within the gate round about, and likewise to the arches: and windows were round about inward: and upon each post were palm trees.