Detailed Product Description Marble Engraving MachineModel: BME4001Voltage: 110V/230VSpindle Power: 2200WSpindle Rotating Speed ... control card (need installed in computer)With 2Pcs Blade for marble engraving, 1box blades for others (plastic & stickers etc), ... axis linear guide running smoothly, and high precision.2, complete machine using seamless welding steel structure, rigid, and no deformation, ...