1841oz.in/13Nm High Torque Nema 34 Stepper Motor CNC Router Plasma Mill Lathe Very High Torque 13Nm(1841oz.in) holding torque NEMA 34 bipolar 3.39"x3.39"x5.9" 4-wire 1.8 deg. step angle(200 steps/rev) Rated current 5.0A & resistance 1.0ohms