nema23 closed loop 1.3n.m servo motor stepper motor 4a 57eh56a4001 with cl57 hybrid step-servo driver cnc controller kit

features: 1.adopting motor steel material, with high torque, low self-inductance reactance, responsive and can avoid system error. 2.there is rotor rubber covering the rotor, effectively reduce the noise. 3.this small motors can be used in various area, such as stage lighting; laser engraving; textile machinery; equipment; placement machine; non-standard equipment; 3d printer; automation equipment, and etc. descriptions: 1.and durable in use.