Parallel
Revelation 21:15
Nestle 1904 Greek New Testament · Berean Standard Bible
Καὶ ὁ λαλῶν μετ’ ἐμοῦ εἶχεν 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.