TK-1212G Marble CNC Router (CE) 1)For marble, granite, etc. 2)Stepper Motor 3)Economical ... Aluminum industries , aluminum, aluminum-plastic plates, aluminum honeycomb panels, 3D hollow cutting, wave plate production, man-made sheet, LED, ... and other metal processing.Product Specification:Machine ModelTK-1212G Marble CNC Router (CE)XYZ Guide RailSquare RailX,Y TransmissionRack GearsSpindle motor3 ...