Bible Verses About Spear: The head of iron or brass

The staff of his spear was like a weaver’s beam; and his spear’s head weighed six hundred shekels of iron: and his shield bearer went before him.

and Ishbibenob, who was of the sons of the giant, the weight of whose spear was three hundred shekels of brass in weight, he being armed with a new sword, thought to have slain David.