Cross reference
1 Kings 7:33
33 And the work of the wheels `is' as the work of the wheel of a chariot, their spokes, and their axles, and their felloes, and their naves; the whole `is' molten.
Ezekiel 1:16
16 The appearance of the wheels and their works `is' as the colour of beryl, and one likeness `is' to them four, and their appearances and their works `are' as it were the wheel in the midst of the wheel.
Ezekiel 1:18
18 As to their rings, they are both high and fearful, and their rings `are' full of eyes round about them four.