Step angel ( ° ): 1.8 Motor Length L(mm): 97 Rate Voltage(V): 3.2~6.27 Rate Current (A): 1.65~4 Phase Resistance ( Ω ): 0.8~3.8 Phase Inductance (mH): 5.2~24 Holding Torque (N.m): 5.1~5.4 Lead Wire (NO.): 4 Rotor Inertia (kg. c㎡): 2.2 Detent Torque (kg.cm): 2 Weight (kg): 2.9