Features: 1) Product name:23HD EX stepper motor ModleStep angleStep angleResolutionRated currentResistance per phaseInductance per phaseDetent torqueRotor inertiaMotor massmmAΩmHmN.mg.cm2g23HD002-100N1.8°20.040.51220551350.4223HD006-120N1.8°40.02155551350.42