And the staff of his spear was like a weaver's beam; and his spear's head weighed six hundred shekels of iron: and one bearing a shield went before him.
Staff of his spear - rather under five feet long, and capable of being used as as javelin (1 Samuel 19:10). It had an iron head.
One bearing a shield. In consequence of their great size and weight, the Oriental warrior had a trusty and skillful friend, whose office it was to bear the large shield, behind which he avoided the missile weapons of the enemy. He was covered, cap-a-pied, with defensive armour, while he had only two offensive weapons-a sword by his side and a spear in his hand.