2Pcs 20mm x 860mm Linear Rod, Diameter 20mm Case Hardened Chrome Plated Smooth Linear Motion Rod Shaft Guide Rail - Metric h8 Tolerance L Humanization Design: Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it We could provide all the customization: any length, threading, and other end processing, you could get some information from pic 5, if you have needs, please message us 2pcs Diameter 20mm x 860mm chrome linear shaft steel straight smooth sturdy rod bar, Length (0., 79 x 33., 86) Linear Motion Rods Uk 2Pcs 20mm X 860mm Linear Rod, Diameter 20mm Case Hardened Chrome Plated Linear Shaft Rods Perfect for CNC, 3D Printers, and Automated Systems This 20mm diameter linear motion shaft offers a robust and precision-ground solution for long-stroke applications. With a full 60-inch length, it's built from hardened steel to deliver smooth, low-friction movement and lasting durability - even under heavy loads or high-cycle use We can customise the linear rail, including the length and finishing. - We can process the end of the rail as you need, some examples you can see the image 4 6Pcs 20mm x 1520mm Linear Rod, Coavoo Diameter 20mm Case Please let us know if you require this.