VEVOR Linear Guide, 1000 mm Stroke Work Size, Ball Screw Motion CNC Linear Guide Stage Actuator, Motorized Nema 23 Stepper Motor, High Precision, for Engraving Machine CNC Milling Machine 3D Printer Complete Kit Included Precision Without Deviation Smooth & Silent Operation Broad Compatibility Easy to Install Built to Resist Deformation Item Model Number: CFJD40-1605-C-1000-FW57,Quantity: 1 pc,Material: Chrome-Plated Steel & Aluminum