KJV: 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.
NASB: The shaft of his spear was like a weaver's beam, and the head of his spear weighed six hundred shekels of iron; his shield-carrier also walked before him.
KJV: And of the Gadites there separated themselves unto David into the hold to the wilderness men of might, and men of war fit for the battle, that could handle shield and buckler, whose faces were like the faces of lions, and were as swift as the roes upon the mountains;
NASB: From the Gadites there came over to David in the stronghold in the wilderness, mighty men of valor, men trained for war, who could handle shield and spear, and whose faces were like the faces of lions, and they were as swift as the gazelles on the mountains.