From the iron weapon, i.e. from the sword or spear; and so shall think himself out of danger.
The bow; an arrow shot out of a bow. A distant, place and unknown hand shall unexpectedly fall upon him; so that he shall only go from one danger to another.
Of steel; which is of great strength, and therefore sendeth forth the arrow with greater force. Compare Psa_18:34. Or, of brass, as the word properly signifies; which the ancients did so temper and harden, that their bows were commonly made of it.
Shall strike him through, i.e. mortally wound him.