Feature:1. Applicable Printer: The X axes linear rail is suitable for Neptune 3, for Neptune Pro, and for Neptune 4 and other 3D printer, with good compatibility and strong practicality.2. Durable Material: The linear motion guide rail is made of high carbon chromium steel material, which has strong wear resistance, high strength, and long service life.3. Stable Movement: This linear motion guide rail has stable and low friction movement characteristics, which can effectively reduce energy loss and mechanical wear.4. Efficient Printing: The 3D printer rail has high rigidity and stability, maintaining excellent accuracy during motion, reducing printing vibration, improving printing quality.5. Simple Operation: This kit includes linear rail, sliders, screws, and other accessories, making it convenient to install and operate, and used for various 3D printing projects.Specification:Item Type: X Axes Linear RailMaterial: High Carbon Chromium SteelApplicable 3D Printer Model: For Neptune 3, for Neptune Pro, for Neptune 4.Package List:1 x Linear Rail3 x Sliders12 x Screws1 x User Manual5 x Accessories