וַיַּ֣עַשׂ קַרְנֹתָ֗יו עַ֚ל אַרְבַּ֣ע פִּנֹּתָ֔יו מִמֶּ֖נּוּ הָי֣וּ קַרְנֹתָ֑יו וַיְצַ֥ף אֹת֖וֹ נְחֹֽשֶׁת׃
And he made the horns thereof upon the four corners of it; the horns thereof were of one piece with it; and he overlaid it with brass.
Read halakhic rulings (Jewish law) on Exodus 38:2: and classical halakhic sources.