Checkline R50 [MR50-12] Universal Torque Sensor, 12 lbFin / 4 lbFft / 140 kgFmm / 135 Ncm / 1.35 Nm Capacity. Series R50 sensors measure bi-directional torque for a wide varietyof applications across virtually all industries. Contain a Jacobs chuck forup to 0.5 in [12.7 mm] diameter samples, bits, or fixtures. The sensorscan be used as hand held devices, or mounted to a test stand. Capacitiesavailable from 10 ozFin to 100 lbFin [7 to 1150 Ncm]. Compatible with Mark-10 model 5i and 3i indicators (sold separately) through uniquePlug & TestTM technology.