... c.very good price d.with CE Application of the small metal engraving machine:Copper, aluminum, stainless steel ... and so on material.Parameter of small metal engraving machine:NO.DescriptionParameter1X,Y,Z efficiency working Area300x300x100mm ( ... u00, *mmg, *plt15Operating SystemNcstudio (Option: DSP with handle)16Tool diameter3.175mm, 4mm, 6mm17X,Y Resolution< ... of the small metal engraving machine: