2PCS Linear Rail 0.78-66 Inch, Linear Bearings and Rails with 4PCS HSR20 Bearing Blocks, Linear Slide Rails Plus for DIY CNC Routers Lathes Milling Machines, Linear Slide Kit Fits XYZ Axis

Complete Linear Guide Rail Kits: This linear guide rail kit includes 2 pieces of 1700mm long HSR20 rail shafts, 4 HSR20 bearing blocks and a bunch of dustproof plugs.
High-quality steel material: The linear slide rails are made of high-quality 55C steel, and the blocks are made of GCr15 ball bearing steel and PA66, an excellent non-conductor. The durable kit will last through time.
Premier Linear Guiding System: The linear slide guide rail provides a smooth and precise sliding surface for the bearing blocks. It helps build an economical linear guide system and is designed to achieve high-precision, low-friction linear motion.
Easy to install: The linear bearing kit has pre-drilled holes for easy fixing. It is easy to install and meets all your needs for a wide range of machines. In addition, it generally does not require maintenance.
Wide Application: The linear guide rail is widely used in CNC router/CNC grinding machines, industrial machinery, paper processing, automatic machine, XY table, factory automation equipment, etc.