... IRON FRAME ROLLING BALL SCREW FROM GERMANY HIGH ACCURACY CE CNC WOODWORKING ROUTER First,advantage of productsl Stiff: integral cast-iron frame ... any woody products,sign boards,bill plates,chest brands,seals,metal foil moulds,construction models,instrument panel and industrial moulds ... or dies on the materials such as many metal or non-metal material,for example,iron,copper,plastic and wood ...