וַֽיַּעֲשׂ֗וּ שְׁתֵּי֙ מִשְׁבְּצֹ֣ת זָהָ֔ב וּשְׁתֵּ֖י טַבְּעֹ֣ת זָהָ֑ב וַֽיִּתְּנ֗וּ אֶת־שְׁתֵּי֙ הַטַּבָּעֹ֔ת עַל־שְׁנֵ֖י קְצ֥וֹת הַחֹֽשֶׁן׃
Fizeram também dois engastes de ouro e duas argolas de ouro, e fixaram as duas argolas nas duas extremidades do peitoral.
Chizkuni
על שני קצות החשן, “at the two ends of the breastplate.” Here the Torah used the preposition: על whereas in Exodus 28,24, it used the preposition: אל.