NET
16 Now Ishbi-Benob, one of the descendants of Rapha, had a spear that weighed 300 bronze shekels, and he was armed with a new weapon. He had said that he would kill David.
Darby
16 And Ishbibenob, who was of the children of Raphah the weight of his lance was three hundred shekels of bronze, and he was girded with new [armour] thought to smite David.
KJV
16 And Ishbibenob, which [was] of the sons of the giant, the weight of whose spear [weighed] three hundred [shekels] of brass in weight, he being girded with a new [sword], thought to have slain David.