28 Jul 2PCs 8mm x 200mm .315 x 7.874 inches Case Hardened Chrome Plated Linear Motio…
Length 200mm, tolerance ± 0.5mm ( 199.5mm - 200.5mm ). The material is carbon steel, which is very suitable for linear motion rod. Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it....