stepper motor 42eh40a2001 hybrid step-servo motor nema 17 2a 0.4n.m + cl42 closed loop 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.