The stones were uniform - all cut to certain fixed measures of length, breadth, and thickness. They were not squared only on the face which showed, but also on the sides which fell within the wall and were not seen. Saws appear in Assyrian sculptures of the age of Sennacherib; and fragments of an iron saw have been found at Nimrud.
Related Commentaries of 1 Kings 7:9
1 Kings 7:9
9 All these were of costly stones, according to the measures of hewed stones, sawed with saws, within and without, even from the foundation unto the coping, and so on the outside toward the great court.