Parallel
Revelation 21:15
Patriarchal Greek New Testament (1904) · Berean Standard Bible
Καὶ ὁ λαλῶν μετ᾽ ἐμοῦ εἶχε μέτρον κάλαμον χρυσοῦν, ἵνα μετρήσῃ τὴν πόλιν καὶ τοὺς πυλῶνας αὐτῆς καὶ τὸ τεῖχος αὐτῆς.
The angel who spoke with me had a golden measuring rod to measure the city and its gates and walls.