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:RTSX738FRange: 100 - 1000 N.m,74 - 738 lbf.ft, 10.2 - 102.1 kgf.m.Input Drive:1 F/SqOutput Drive:1 M/SqTool Length:4.4Tool Width:2.8Tool Height:2