וַיַּ֛עַשׂ שְׁנֵ֥י כְרֻבִ֖ים זָהָ֑ב מִקְשָׁה֙ עָשָׂ֣ה אֹתָ֔ם מִשְּׁנֵ֖י קְצ֥וֹת הַכַּפֹּֽרֶת׃
And he made two cherubim of gold: of beaten work made he them, at the two ends of the ark-cover:
Read kabbalistic (mystical) interpretation of Exodus 37:7: and classical mystical sources.