Also he strengthened himself
 In the Lord his God, and fortified his city, and put it in the best manner of defence he could: 
 and built up all the wall that was broken;
 which was broken from the gate of Ephraim to the corner gate by Joash king of Israel; and though it might have been repaired by Uzziah, it might again be broken down in the times of Ahaz, by Pekah, king of Israel, or some other enemy, see ( 2 Chronicles 25:3 ) ( 26:9 ) ( 2 Chronicles 28:6 2 Chronicles 28:7 ) 
 and raised it up to the towers;
 from the corner tower to the tower of the gate of Ephraim, which, as before observed, had been broken down: 
 and another wall without;
 a second wall, either all around the city, or at such a part of it which was weakest; Josephus F26 says the city of Jerusalem had three walls about it: 
 and repaired Millo in the city of David;
 a wall on the north side of the city: 
 and made darts and shields in abundance;
 darts to cast from the walls of the city, to annoy the enemy with, and shields to defend them from those of the enemy.