High Torque Low Current Nema 17 Stepper Motor 85oz.in/60Ncm 0.64A Extruder Motor High Torque with Low Current 60Ncm(85oz.in) holding torque NEMA 17 bipolar 1.65"x1.65"x2.36" 4-wire 1.8 deg. step angle(200 steps/rev) Rated current 0.64A & resistance 15ohms