Stand alone programmable “M-Code” style rotary table. Compatible with most CNC Machine via spare M-Code out put of machine, as well as RS 232 Macro D-Print capabilities. All digital AC Servo control unit (UDNC-M1/2) and drive motors. Rotary table body boasts a “Split Lead Worm” design which provides maximum torque and minimal backlash. (0.0002″) This minimal backlash ensures high positioning accuracy and more rigidity.