Revelation 11:1-2
Then a reed was given me to serve as a measuring rod; and a voice said, "Rise, and measure God's sanctuary--and the altar--and count the worshipers who are in it.
Treasury of Scripture Knowledge
Summary
He measured the east side with the measuring reed, five hundred reeds, with the measuring reed round about.
The measuring reed
Bible References
The measuring reed
Revelation 11:1
Then a reed was given me to serve as a measuring rod; and a voice said, "Rise, and measure God's sanctuary--and the altar--and count the worshipers who are in it.