The Rotary Torque Sensor is the ideal torque-auditing tool for testing the actual torque being applied on the assembly application. By connecting a rotary torque sensor between an electric or pneumatic tool and assembly application, you can monitor the torque being applied from the tool to fastener or bolt. Accuracy .25% of full scale and Bi-directional.Model:RTSX100FRange: 13.6 - 135.6 N.m, 10 - 100 lbf.ft, 1.4 - 13.8 kgf.m.Input Drive:1/2 F/SqOutput Drive:1/2 M/SqTool Length:3.1Tool Width:1.5Tool Height:2