... .Ncstudio card 4.linear round gui rail & ballscrew Multifunction 4 -axis CNC Engraving Machine ZK-6060 ApplicationsWood ,Metal, Stone,acrylic ,organic glass ... screw and linear round guide way for X Y Z-axis, stable operation, high precision and low vibration.2. NcStudio ... work piece. 4. 2.2kw water cooling spindle, more powerful.5. Power off and break point, continuing processing.6. Good software ...