'Tool' in the Bible

'And if an altar of stones thou dost make to Me, thou dost not build them of hewn work; when thy tool thou hast waved over it, then thou dost pollute it;

and he receiveth from their hand, and doth fashion it with a graving tool, and doth make it a molten calf, and they say, 'These thy gods, O Israel, who brought thee up out of the land of Egypt.'