Mini electric screwdriver , Electric Torque Screwdriver, electrical test screwdriverdriver High accuracy,high rotation speed Waterun-4000 Mini electric screwdriver & Electric Torque Screwdriver& electrical test screwdriverdriverHigh accuracy, high rotation speed Low noise low spoilage Alloy gear with resistant long use life. Features: ELET-6500 electric screwdriver is designed against over- ...