Price of this model motor: US$36.8/set Type 34HS8450-45 Phase 2 Body length 80mm Rated voltage 2.1 V Resistance (20 )  0.35± 0.1 / phase Holding torque 4.5 N.cm Rotor Torque 1400 g.cm2 Step angle 1.8± 5% Rated current DC 6.0 A/phase Inductance 3.6±20% mH / phase Insulation  Class Class B
