VEVOR Linear Rail Guide Kit, HGR20,4PCS Slide Blocks, 2-Pieces 600 mm (23.62 in. ) Linear Rails and 1PCS Ball Screw

HGR 600 mm High-Precision Linear Rail Kit. Includes 2 linear rails, 4 slide blocks, and a ball screw. Designed with precise mounting holes and hole spacing, our medium-carbon steel rails ensure reduced vibration and quiet linear motion. Every alloy steel slide block is built with ball bearings for smooth and jam-free travel.

• High-hardness steel resists rust and corrosion
• Built-in ball bearings ensure smooth, jam-free travel
• Compatible with milling machines, 3D printers, industrial machine