... 4.Data transfer 5.Multiple mode ASA power tools torque tester imported from Japan , screwdrivers , power supply , electric power tool , ... screw driver head. 3. The torque sensor is attached, which can test torque directly.4. The unit of torque is in three categories: kgf ... be conn-ected to a computer for recording, editing and torque calculating.6. It has the function of automatic display of ...