Genius Tools offers the 3-pc 3/8” and 1/2” Drive Interchangeable Torque Wrench, No. 1434N20. The torque range is 20-200Nm, and it has an accuracy of +/- 1 percent and a memory of 10 readings. Unit readout can be changed between Nm, ft/lbs, in/lbs and kg/m. The wrench runs on 3 AA batteries and comes in a plastic blowmolded case.
