... scientific structure and generous appearance.6.High quality driver motor, spindle motor, cables, inverters, etc.7.Professional CNC control ... Optional parts :128M memory, flash memory disk, imported spindle , dust-collecting device, vacuum inhaling table, linear ... 1500wSpindle rotation6000-24000rpmMotor driverStepper motor driver(Chinese servo motor and Japan servo motor is optional)Tool diameter3. ...