... Router 1.High Precision 2.DSP offline control 3. Stepper motor 4. Best Price Better-6090 Mini CNC Wood RouterFeatures ... screw rod and round guide rail to ensure accuracy3) Subdivision stepper motor with excellent performance, quick speed, stable operation, and large ... long and safe operation4) Frequency conversion water-cooling large power motor, low noise, even speed5) Humanistic design, the machine ...