Step angel ( °): 1.2 Motor Length L(mm): 68~127 Rate Voltage (V): 4~13 Rate Current (A): 1.75~5.8 Phase Resistance ( Ω ): 0.8~5.4 Phase Inductance (mH): 3~23 Holding Torque (N.m): 2.3~6.8 Rotor Inertia (g. c㎡): 1100~3300 Motor Weight (kg): 1.65~3.8