Exodus 38:5
A copper ring was attached beneath the ledge at the four corners to put the poles through.
Exodus 27:4
Make a grate for it out of copper mesh. Make a copper ring for each of the four corners of the grate.
Treasury of Scripture Knowledge
Summary
And he cast four rings for the four ends of the grate of brass, to be places for the staves.
The grate
Bible References
The grate
Exodus 27:4
Make a grate for it out of copper mesh. Make a copper ring for each of the four corners of the grate.