Metal Tools and Weapons The Harappans used chert blades, copper objects and bone and ivory tools. They did not possess knowledge about iron. The tools and equipments such as points, Chisels, needles, fishhooks, razors, weighing pans, mirror and antimony rods were made of bronze. 'Ihe chisels made out of Rohri chert were used by the Harappans. Their weapons included arrows. spears, a chisel-bladed tool and axe. 'Ihe bronze image of dancing girl from Mohenjo-Daro is suggestive of the use of lost-wax process.
Rohri chert refers to the chert raw material collected from Rohri in Pakistan. It was used by the Harappans for making blades.The Harappans used both stone and bronze Tools.