VEVOR Linear Rail 0.78-66 Inch, Linear Bearings and Rails with 4PCS HSR20 Bearing Block, Linear Motion Slide Rails Plus for DIY CNC Routers Lathes Mills

Premium Steel Material: The linear motion slide rails are made of high-quality 55c steel; and blocks of GCr15 ball bearing steel and PA66, excellent non-conductor. The durable kit will endure through time. Efficient Linear Guiding System: The linear slide kit is a perfect combination of the main axle rail and blocks. With the smooth sliding of them, the transmission becomes so much easier. Ease of Installation: The linear bearing set has holes pre-drilled for ease of fixation. These several precise kits are easy to install, do the steps one by one carefully, though. Complete Linear Rail Kits: The linear rail set will come with 2 pieces of 66.9"/1700 mm long HSR20 rail shaft, 4 HSR20 blocks, and dustproof plugs. The linear bearing inside ensures the smooth sliding of the blocks on the rail. Wide Application: The linear guides help establish a practical and straightforward linear guiding system, widely applied to industrial robots, ultrasonic cleaning equipment, solar auxiliary equipment, etc., Weight: 19.0 Pounds, Manufacturer: VEVOR