NEMA 23 Motor 1.1N 1.8N 2.2N 2.8N 3.2Nm With Planetary Gearbox 4 5 6 10 Ratio Reducer Integrated Stepper Motor For CNC Router ,Low Noise - 20 TO 1_PX57-76

Reduction ratio 4:1,5:1,6:1,10:1,20:1,30:1,40:1;50:1 Stepper Motor Dimension 57mm*57mm Motor Torque 1.1N 1.5N 1.8N 2.2N 2.8N 3.2Nm Protect Feature Totally Enclosed Commutation Brush