Text -- Revelation 9:9 (NET)

9:9 They had breastplates like iron breastplates, and the sound of their wings was like the noise of many horse-drawn chariots charging into battle.

Commentary -- Verse Notes / Footnotes

NET Notes: Rev 9:9

¹ tn Or perhaps, “scales like iron breastplates” (RSV, NRSV) although the Greek term θώραξ (qwrax) would have to shift its meaning within the clause, and elsewhere in biblical usage (e.g., Eph 6:14; 1 Thess 5:8) it normally means “breastplate.” See also L&N 8.38.