2PCS Linear Rail 0.79-67 Inch, Linear Bearings and Rails with 4PCS HSR20 Bearing Block, Linear Motion Slide Rails Plus for DIY CNC Routers Lathes Mills, Linear Slide Kit fit X Y Z Axis

2PCS Linear Rail 0.79-67 Inch, Linear Bearings and Rails with 4PCS HSR20 Bearing Block, Linear Motion Slide Rails Plus for DIY CNC Routers Lathes Mills, Linear Slide Kit fit X Y Z Axis