... strong power Scope: Natural marble, granite, bluestone, sandstone, artificial stone, tombstone, milestones, tile, floor tile, metal, glass and rigid ... down, drilling, two-dimensional sculpture. Granite and other hard stone carvings can be layered to 3mm Marble, bluestone, etc. ... two-way tool cooling system, improve tool life;11.CNC digital control, with the breakpoint memory Duandao continued carving, ...