וְאַרְבַּ֣עַת הָאֽוֹפַנִּ֗ים לְמִתַּ֙חַת֙ לַֽמִּסְגְּר֔וֹת וִיד֥וֹת הָאֽוֹפַנִּ֖ים בַּמְּכוֹנָ֑ה וְקוֹמַת֙ הָאוֹפַ֣ן הָאֶחָ֔ד אַמָּ֖ה וַחֲצִ֥י הָאַמָּֽה׃
And the four wheels were underneath the borders; and the axletrees of the wheels were in the base; and the height of a wheel was a cubit and half a cubit.
Read kabbalistic (mystical) interpretation of I Kings 7:32: and classical mystical sources.