Commentary for Exodus 37:22

כַּפְתֹּרֵיהֶ֥ם וּקְנֹתָ֖ם מִמֶּ֣נָּה הָי֑וּ כֻּלָּ֛הּ מִקְשָׁ֥ה אַחַ֖ת זָהָ֥ב טָהֽוֹר׃

Their knops and their branches were of one piece with it; the whole of it was one beaten work of pure gold.

Rav Hirsch on Torah