... driver Hot Sale! High Quality! Factory Price! marble granite engraving machine with 4 axis ATC for headstone Application ... Foam, Wood, MDF, Solid wood, Hardwood, Artificial stone, Marble, Granite, Ceramic Tile, Tombstone, milestone, Terrazzo, Limestone, Sandstone, Travertine, Quartzite ... Power6kw air coolingTool Diameter2--12.7TransmissionX,Y Axis High Precision Rack Gears, Z Axis Ball ScrewX,Y,Z ...