Revelation 11:1-2

And there was given me a reed like a measuring rod; and the angel stood and said, Rise and measure the temple of God, and the altar, and the extent of those that worship at 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
And there was given me a reed like a measuring rod; and the angel stood and said, Rise and measure the temple of God, and the altar, and the extent of those that worship at it.