VEVOR 2PCS Linear Rail 0.79-39 Inch, Linear Bearings and Rails with 4PCS HSR20 Bearing Block, Linear Motion Slide Rails…

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【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 39.4″/1000 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.