CNCMANS Linear Guide Rail 2 Pieces Set SBR20-1200mm Stainless Steel Guide Rail with 4 Pieces SBR20UU Linear Bearing Block, CNC Parts for 3D Printer Stepper Motor (linear guide SBR20 1200mm)

["High-Quality: Linear rails for CNC parts are made of carbon steel. The linear bearing is made of high-quality bearing steel with an aluminum alloy housing. The product surface is chrome-plated, beautiful and rust-free, more durable and has high hardness.","Product Benefits: Perfect combination of the main axis rail and aluminum alloy support, which beautifully stabilizes the original rail. This linear bearing is durable and sturdy, which can extend the lifespan of your machines.","Easy Assembly: Aluminum alloy support rails with pre-drilled holes are easy to install by aligning the rail with the opening of the slider and pushing the slider until it fully drops.","Wide Application: The linear guide rail is widely used in automatic industrial machines such as robots, DIY CNC milling machines, lathes, automatic recorders, precision printers, etc."] Tipitopi