Need to buy computer virus equipment single output shaft/dual output shaft/single output flange/dual output flange/torque arm, please touch visitor service!RV aluminum housing malicious program gear reducer model:Reducer RV030: (input gap 8mm, 6.35MM optional, output hole 14MM) 70290 AC gear motor, stepper motor, servo motor, trojan horse gear motor, equipment 70291 AC gear motor, stepper motor, servo motor, worm tools motor, accessories