We can customise the linear rail, including the length and finishing. Linear Bearing Shaft Rod Bar Hardened Chrome Shaft Plated #45 Steel S45C/S48C 20MM,25MM,30MM 4pcs Diameter 25mm x 320mm chrome linear shaft steel straight smooth sturdy rod bar, Length (0., 98 x 12., 6) We offer a full range of different diameters of linear rail shaft bars: 5, 6, 8, 10, 12, 13, 14, 16, 20, 25, 30, 35, 40, 50 mm and so on Chrome Plated Steel Rod Coavoo Linear Rod Shaft 4Pcs 25mm X 320mm, Diameter 25mm Case Hardened 25mm X 320mm Chrome Steel Shaft 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 Hero image 0 of Linear Motion Rod Shaft Guide D 25mm x L 12.6 inch / 320mm Case Hardened Chrome Plated for 3D Printer, DIY, CNC - Metric h8 Tolerance, 2Pcs, 0 of 4 TeviRoom Humanization Design: Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it The case hardness could be reach to 58-64 HRC., Durable and corrosion-resistant
