II Chronicles 4:20 Midrash

וְאֶת־הַמְּנֹר֞וֹת וְנֵרֹתֵיהֶ֗ם לְבַעֲרָ֧ם כַּמִּשְׁפָּ֛ט לִפְנֵ֥י הַדְּבִ֖יר זָהָ֥ב סָגֽוּר׃

and the candlesticks with their lamps, that they should burn according to the ordinance before the Sanctuary, of pure gold;