Step Angle - 1.8 deg. Current - 0.31 A /Phase. Holding Torque - 1.6 kgcm. Voltage - 12~16 v. No of Leads - 6. Weight - 220 gm. Resistance - 38.5 O /Phase. Inductance - 21 mH /Phase. Rotor Inertia : 34 g-cm. High torque at startup and low speeds. Can operate in an open loop control system. Less likely to stall or slip