4 Bible Verses about Hollowness

Hollow with planks shalt thou make it: as it hath been showed thee in the mount, so shall they make it.

And he put the staves into the rings on the sides of the altar, wherewith to bear it; he made it hollow with planks.

For he fashioned the two pillars of brass, eighteen cubits high apiece: and a line of twelve cubits compassed either of them about.

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