This unipolar Nema 23 stepper motor with step angle 1.8deg and size 57x57x56mm. It has 6 wires, each phase draws 1.0A, with holding torque 0.9Nm (127.5oz.in). Electrical Specification Manufacturer Part Number: 23HS22-1006S Motor Type: Unipolar Stepper Step Angle: 1.8 deg Holding Torque: 0.9Nm(127.5oz.in) Ra..