... Stepping Motor, Frame size 86mm with holding torque upto 12N.m, CE and ROHS Nema 34(frame size 86mm) ... Hybrid Stepper Motor,with holding torue upto 12N.m, ... and 0.9,3.6 Degree,Square-Bodied, High-Torque Stepper Motors. Round version, Standard stepper motors ... , 110mm, 130mm Nema 34 Hybrid Stepping Motor, Frame size 86mm, with different length and holding torque