Step Angel ( °):1.8 Motor Length L(mm):99 Rate Voltage (V):4.95 Rate Current (A):5.5 Phase Resistance (Ω):0.9 Phase Inductance (mH):12 Holding Torque (kg.cm):11.2 Lead Wire (NO.):4 Rotor Inertia (g. cm2):5.5 Detent Torque (kg.cm):5