Here "hand" refers to David's power to defeat the Philistines. AT: "I will empower my servant David and" (See: [[rc://en/ta/man/translate/figs-metonymy]])
# the hand of the Philistines
Here "hand" refers to power over Israel. AT: "the power of the Philistines" (See: [[rc://en/ta/man/translate/figs-metonymy]])