John Gill Commentary 1 Kings 6:26

"The height of the one cherub was ten cubits, and so was it of the other cherub." — 1 Kings 6:26 (ASV)

The height of the one cherub [was] ten cubits, and so [was it]
of the other cherub .
] This is repeated from (1 Kings 6:23) ; that it might be observed, being of an extraordinary size.