21:16 descendants of the giants. The term “Rephaim” is sometimes applied to such peoples as the Emim, Zamzummim, and Anakim (Deut. 2:10, 11, 20, 21), all distinguished for their size and strength. According to Josh. 11:21, 22, the Anakim were driven from the hill country of Israel and Judah by Joshua, but remained in the Philistine cities of Gaza, Gath, and Ashdod.
three hundred shekels. That is, just over seven pounds. Goliath’s spearhead had weighed twice as much (1 Sam. 17:7).