Step Angel ( ° )：1.8 Motor Length L(mm)：34 Motor Length L(mm)：12 Rate Current (A):0.3 Phase Resistance ( Ω):40 Phase Inductance (mH):18 Holding Torque (g.cm):1200 Lead Wire (NO.):6 Rotor Inertia (g. cm2)：34 Detent Torque (g.cm)：200