And David prepared iron in abundance for the nails of the doors of the gates and for the joints, and bronze in abundance beyond measure,
1 Chronicles 22:3
Surrounding context
22:2 So David commanded to gather the aliens who were in the land of Israel; and he appointed masons to cut hewn stones to build the house of God.
22:3 And David prepared iron in abundance for the nails of the doors of the gates and for the joints, and bronze in abundance beyond measure,
22:4 and cedar trees in abundance; for the Sidonians and those from Tyre brought much cedar wood to David.