1.ASA electric tools digital display control torque tester 2. ... , power supply , electric power tool , electric tool , screw driver , power tool , screwdrivers , screw driver , electrice power tool , tools , screw drivers , tool , electric toolsFeature:Digital Display Control ... appication:Testing locking torsion values of full automatic electric & pneumatic screwdrivers. ASA torque tester for ...