Mini CNC Engraving Machine is well suited for metal works, contain ... (1/8"), 4mm (1/6") and 6mm (1/4")Operating systemMach3 / DSP Controller / NCSTUDIODriverLeadshine(Chinese famous brand) ... brand)File formIt supports G-code, which is compatible with so many CAD/CAM software, such as Artcam / ... .02mmVoltage220V-50HZ or 110V-60HZLead screwImported from Germany, with P5 level; It's used for X,Y, ...