STEPPERONLINE Dual Shaft Nema 17 Stepper Motor 1.8deg 26ncm/37oz.in 12v 0.4a 42x42x34mm 4-Wire Double Shaft NEMA-17 bipolar 34mm 4-wire 1.8 step angle(200 steps/rev) Rated current 0.4A & resistance 30ohms 26Ncm(36.8oz.in) holding torque