Nema 16 Unipolar Stepper Motor 12V 11.3oz.in/8Ncm 0.5A 1.8 deg 6 Leads Hobby DIY Robot Unipolar & Short Height 8Ncm(11.3oz-in) holding torque NEMA 16 unipolar 1.54"x1.54"x0.79" 6-wire 1.8 deg. step angle(200 steps/rev) Rated current 0.5A & resistance 13ohms