Judges 20:16 in the King James Version
Among all this people there were seven hundred chosen men lefthanded; every one could sling stones at an hair breadth, and not miss.
Context
15 The children of Benjamin were counted on that day out of the cities twenty-six thousand men who drew the sword, in addition to the inhabitants of Gibeah, who were counted seven hundred chosen men.
16 Among all these soldiers there were seven hundred chosen men who were left-handed. Every one of them could sling a stone at a hair and not miss.
17 The men of Israel, besides Benjamin, were counted four hundred thousand men who drew sword. All these were men of war.