Set of 6 screwdrivers of the company Unior, with insulated handles that prevent the risk of electric shock in tasks involving electrical voltage. It includes a test screwdriver, which identifies which cable is the phase that has the current. By using it, we confirm the presence or absence of current in a cable. It is an essential tool if you are going to deal with electrical work. It should not be submerged in water or retain moisture inside.