2 Chronicles 3:17

And he reared up the pillars before the temple, one on the right hand, and the other on the left; and called the name of that on the right hand Jachin, and the name of that on the left Boaz.

Cross-reference

1 Kings 7:21 describes the same two pillars (Jachin and Boaz) erected in Solomon's temple, matching this account directly.

Ezekiel 40:49 mentions pillars in the porch of the future temple, echoing the pillars Jachin and Boaz from Solomon's temple.